Home / 16,519.95-24,781.55-5,422.14

Finding the Fourth Proportional to 16,519.95, 24,781.55 and 5,422.14

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Solution

The fourth proportional to 16,519.95, 24,781.55 and 5,422.14 is: 8,133.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,519.95 : 24,781.55 = 5,422.14 : x
  2. Step 2: Convert to fraction form
    16,519.95/24,781.55 = 5,422.14/x
  3. Step 3: Cross multiply
    16,519.95x = 24,781.55 × 5,422.14
  4. Step 4: Simplify right side
    16,519.95x = 134,369,006.41
  5. Step 5: Solve for x
    x = 134,369,006.41/16,519.95
  6. Step 6: Final answer
    x = 8,133.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.