Home / 22,585.78-31,173.55-15,032.43

Finding the Fourth Proportional to 22,585.78, 31,173.55 and 15,032.43

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Solution

The fourth proportional to 22,585.78, 31,173.55 and 15,032.43 is: 20,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,585.78 : 31,173.55 = 15,032.43 : x
  2. Step 2: Convert to fraction form
    22,585.78/31,173.55 = 15,032.43/x
  3. Step 3: Cross multiply
    22,585.78x = 31,173.55 × 15,032.43
  4. Step 4: Simplify right side
    22,585.78x = 468,614,208.23
  5. Step 5: Solve for x
    x = 468,614,208.23/22,585.78
  6. Step 6: Final answer
    x = 20,748.20

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Half scale
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Double scale
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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.