Home / 25,355.43-34,990.38-14,177.43

Finding the Fourth Proportional to 25,355.43, 34,990.38 and 14,177.43

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Solution

The fourth proportional to 25,355.43, 34,990.38 and 14,177.43 is: 19,564.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.43 : 34,990.38 = 14,177.43 : x
  2. Step 2: Convert to fraction form
    25,355.43/34,990.38 = 14,177.43/x
  3. Step 3: Cross multiply
    25,355.43x = 34,990.38 × 14,177.43
  4. Step 4: Simplify right side
    25,355.43x = 496,073,663.12
  5. Step 5: Solve for x
    x = 496,073,663.12/25,355.43
  6. Step 6: Final answer
    x = 19,564.79

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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.