Home / 18,508.59-25,542.47-10,125.09

Finding the Fourth Proportional to 18,508.59, 25,542.47 and 10,125.09

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Solution

The fourth proportional to 18,508.59, 25,542.47 and 10,125.09 is: 13,972.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.59 : 25,542.47 = 10,125.09 : x
  2. Step 2: Convert to fraction form
    18,508.59/25,542.47 = 10,125.09/x
  3. Step 3: Cross multiply
    18,508.59x = 25,542.47 × 10,125.09
  4. Step 4: Simplify right side
    18,508.59x = 258,619,890.70
  5. Step 5: Solve for x
    x = 258,619,890.70/18,508.59
  6. Step 6: Final answer
    x = 13,972.96

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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.