Home / 18,036.39-24,891.38-10,078.66

Finding the Fourth Proportional to 18,036.39, 24,891.38 and 10,078.66

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Solution

The fourth proportional to 18,036.39, 24,891.38 and 10,078.66 is: 13,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.39 : 24,891.38 = 10,078.66 : x
  2. Step 2: Convert to fraction form
    18,036.39/24,891.38 = 10,078.66/x
  3. Step 3: Cross multiply
    18,036.39x = 24,891.38 × 10,078.66
  4. Step 4: Simplify right side
    18,036.39x = 250,871,755.95
  5. Step 5: Solve for x
    x = 250,871,755.95/18,036.39
  6. Step 6: Final answer
    x = 13,909.20

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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.