Home / 16,289.87-24,422.84-5,190.17

Finding the Fourth Proportional to 16,289.87, 24,422.84 and 5,190.17

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Solution

The fourth proportional to 16,289.87, 24,422.84 and 5,190.17 is: 7,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,289.87 : 24,422.84 = 5,190.17 : x
  2. Step 2: Convert to fraction form
    16,289.87/24,422.84 = 5,190.17/x
  3. Step 3: Cross multiply
    16,289.87x = 24,422.84 × 5,190.17
  4. Step 4: Simplify right side
    16,289.87x = 126,758,543.42
  5. Step 5: Solve for x
    x = 126,758,543.42/16,289.87
  6. Step 6: Final answer
    x = 7,781.44

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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.