Home / 25,724.97-38,559.31-13,245.74

Finding the Fourth Proportional to 25,724.97, 38,559.31 and 13,245.74

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Solution

The fourth proportional to 25,724.97, 38,559.31 and 13,245.74 is: 19,854.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,724.97 : 38,559.31 = 13,245.74 : x
  2. Step 2: Convert to fraction form
    25,724.97/38,559.31 = 13,245.74/x
  3. Step 3: Cross multiply
    25,724.97x = 38,559.31 × 13,245.74
  4. Step 4: Simplify right side
    25,724.97x = 510,746,730.42
  5. Step 5: Solve for x
    x = 510,746,730.42/25,724.97
  6. Step 6: Final answer
    x = 19,854.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.