Home / 18,280.76-25,227.57-9,897.26

Finding the Fourth Proportional to 18,280.76, 25,227.57 and 9,897.26

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Solution

The fourth proportional to 18,280.76, 25,227.57 and 9,897.26 is: 13,658.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.76 : 25,227.57 = 9,897.26 : x
  2. Step 2: Convert to fraction form
    18,280.76/25,227.57 = 9,897.26/x
  3. Step 3: Cross multiply
    18,280.76x = 25,227.57 × 9,897.26
  4. Step 4: Simplify right side
    18,280.76x = 249,683,819.46
  5. Step 5: Solve for x
    x = 249,683,819.46/18,280.76
  6. Step 6: Final answer
    x = 13,658.28

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Find fourth proportional to 9,140.38, 12,613.79 and 4,948.63
Half scale
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Double scale
Find fourth proportional to 18,281.76, 25,228.95 and 9,898.26
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.