Home / 22,249.15-30,700.79-13,294.76

Finding the Fourth Proportional to 22,249.15, 30,700.79 and 13,294.76

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Solution

The fourth proportional to 22,249.15, 30,700.79 and 13,294.76 is: 18,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,249.15 : 30,700.79 = 13,294.76 : x
  2. Step 2: Convert to fraction form
    22,249.15/30,700.79 = 13,294.76/x
  3. Step 3: Cross multiply
    22,249.15x = 30,700.79 × 13,294.76
  4. Step 4: Simplify right side
    22,249.15x = 408,159,634.86
  5. Step 5: Solve for x
    x = 408,159,634.86/22,249.15
  6. Step 6: Final answer
    x = 18,344.95

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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.