Home / 23,152.50-31,950.45-12,542.13

Finding the Fourth Proportional to 23,152.50, 31,950.45 and 12,542.13

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Solution

The fourth proportional to 23,152.50, 31,950.45 and 12,542.13 is: 17,308.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,152.50 : 31,950.45 = 12,542.13 : x
  2. Step 2: Convert to fraction form
    23,152.50/31,950.45 = 12,542.13/x
  3. Step 3: Cross multiply
    23,152.50x = 31,950.45 × 12,542.13
  4. Step 4: Simplify right side
    23,152.50x = 400,726,697.46
  5. Step 5: Solve for x
    x = 400,726,697.46/23,152.50
  6. Step 6: Final answer
    x = 17,308.14

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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.