Home / 24,920.57-34,390.38-13,742.57

Finding the Fourth Proportional to 24,920.57, 34,390.38 and 13,742.57

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Solution

The fourth proportional to 24,920.57, 34,390.38 and 13,742.57 is: 18,964.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,920.57 : 34,390.38 = 13,742.57 : x
  2. Step 2: Convert to fraction form
    24,920.57/34,390.38 = 13,742.57/x
  3. Step 3: Cross multiply
    24,920.57x = 34,390.38 × 13,742.57
  4. Step 4: Simplify right side
    24,920.57x = 472,612,204.48
  5. Step 5: Solve for x
    x = 472,612,204.48/24,920.57
  6. Step 6: Final answer
    x = 18,964.74

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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.