Home / 18,174.12-25,080.34-10,107.86

Finding the Fourth Proportional to 18,174.12, 25,080.34 and 10,107.86

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Solution

The fourth proportional to 18,174.12, 25,080.34 and 10,107.86 is: 13,948.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.12 : 25,080.34 = 10,107.86 : x
  2. Step 2: Convert to fraction form
    18,174.12/25,080.34 = 10,107.86/x
  3. Step 3: Cross multiply
    18,174.12x = 25,080.34 × 10,107.86
  4. Step 4: Simplify right side
    18,174.12x = 253,508,565.47
  5. Step 5: Solve for x
    x = 253,508,565.47/18,174.12
  6. Step 6: Final answer
    x = 13,948.88

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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.