Home / 18,105.12-24,988.56-10,150.92

Finding the Fourth Proportional to 18,105.12, 24,988.56 and 10,150.92

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Solution

The fourth proportional to 18,105.12, 24,988.56 and 10,150.92 is: 14,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105.12 : 24,988.56 = 10,150.92 : x
  2. Step 2: Convert to fraction form
    18,105.12/24,988.56 = 10,150.92/x
  3. Step 3: Cross multiply
    18,105.12x = 24,988.56 × 10,150.92
  4. Step 4: Simplify right side
    18,105.12x = 253,656,873.48
  5. Step 5: Solve for x
    x = 253,656,873.48/18,105.12
  6. Step 6: Final answer
    x = 14,010.23

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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.