Home / 22,857.40-34,275.15-13,372.39

Finding the Fourth Proportional to 22,857.40, 34,275.15 and 13,372.39

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Solution

The fourth proportional to 22,857.40, 34,275.15 and 13,372.39 is: 20,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,857.40 : 34,275.15 = 13,372.39 : x
  2. Step 2: Convert to fraction form
    22,857.40/34,275.15 = 13,372.39/x
  3. Step 3: Cross multiply
    22,857.40x = 34,275.15 × 13,372.39
  4. Step 4: Simplify right side
    22,857.40x = 458,340,673.11
  5. Step 5: Solve for x
    x = 458,340,673.11/22,857.40
  6. Step 6: Final answer
    x = 20,052.18

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1.5x scale

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.