Home / 18,275.76-25,220.66-9,892.26

Finding the Fourth Proportional to 18,275.76, 25,220.66 and 9,892.26

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Solution

The fourth proportional to 18,275.76, 25,220.66 and 9,892.26 is: 13,651.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.76 : 25,220.66 = 9,892.26 : x
  2. Step 2: Convert to fraction form
    18,275.76/25,220.66 = 9,892.26/x
  3. Step 3: Cross multiply
    18,275.76x = 25,220.66 × 9,892.26
  4. Step 4: Simplify right side
    18,275.76x = 249,489,276.63
  5. Step 5: Solve for x
    x = 249,489,276.63/18,275.76
  6. Step 6: Final answer
    x = 13,651.38

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Half scale
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Double scale
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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.