Home / 18,508.76-25,542.10-10,125.26

Finding the Fourth Proportional to 18,508.76, 25,542.10 and 10,125.26

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Solution

The fourth proportional to 18,508.76, 25,542.10 and 10,125.26 is: 13,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.76 : 25,542.10 = 10,125.26 : x
  2. Step 2: Convert to fraction form
    18,508.76/25,542.10 = 10,125.26/x
  3. Step 3: Cross multiply
    18,508.76x = 25,542.10 × 10,125.26
  4. Step 4: Simplify right side
    18,508.76x = 258,620,403.45
  5. Step 5: Solve for x
    x = 258,620,403.45/18,508.76
  6. Step 6: Final answer
    x = 13,972.86

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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.