Home / 21,585.84-32,227.34-18,265.25

Finding the Fourth Proportional to 21,585.84, 32,227.34 and 18,265.25

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Solution

The fourth proportional to 21,585.84, 32,227.34 and 18,265.25 is: 27,269.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585.84 : 32,227.34 = 18,265.25 : x
  2. Step 2: Convert to fraction form
    21,585.84/32,227.34 = 18,265.25/x
  3. Step 3: Cross multiply
    21,585.84x = 32,227.34 × 18,265.25
  4. Step 4: Simplify right side
    21,585.84x = 588,640,306.46
  5. Step 5: Solve for x
    x = 588,640,306.46/21,585.84
  6. Step 6: Final answer
    x = 27,269.74

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Half scale
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Double scale
Find fourth proportional to 21,586.84, 32,228.84 and 18,266.25
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.