Home / 18,565.38-25,620.81-10,182.66

Finding the Fourth Proportional to 18,565.38, 25,620.81 and 10,182.66

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Solution

The fourth proportional to 18,565.38, 25,620.81 and 10,182.66 is: 14,052.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.38 : 25,620.81 = 10,182.66 : x
  2. Step 2: Convert to fraction form
    18,565.38/25,620.81 = 10,182.66/x
  3. Step 3: Cross multiply
    18,565.38x = 25,620.81 × 10,182.66
  4. Step 4: Simplify right side
    18,565.38x = 260,887,997.15
  5. Step 5: Solve for x
    x = 260,887,997.15/18,565.38
  6. Step 6: Final answer
    x = 14,052.39

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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.