Home / 25,490.56-38,385.56-22,242.40

Finding the Fourth Proportional to 25,490.56, 38,385.56 and 22,242.40

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Solution

The fourth proportional to 25,490.56, 38,385.56 and 22,242.40 is: 33,494.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,490.56 : 38,385.56 = 22,242.40 : x
  2. Step 2: Convert to fraction form
    25,490.56/38,385.56 = 22,242.40/x
  3. Step 3: Cross multiply
    25,490.56x = 38,385.56 × 22,242.40
  4. Step 4: Simplify right side
    25,490.56x = 853,786,979.74
  5. Step 5: Solve for x
    x = 853,786,979.74/25,490.56
  6. Step 6: Final answer
    x = 33,494.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.