Home / 16,129.78-24,190.61-5,739.10

Finding the Fourth Proportional to 16,129.78, 24,190.61 and 5,739.10

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Solution

The fourth proportional to 16,129.78, 24,190.61 and 5,739.10 is: 8,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129.78 : 24,190.61 = 5,739.10 : x
  2. Step 2: Convert to fraction form
    16,129.78/24,190.61 = 5,739.10/x
  3. Step 3: Cross multiply
    16,129.78x = 24,190.61 × 5,739.10
  4. Step 4: Simplify right side
    16,129.78x = 138,832,329.85
  5. Step 5: Solve for x
    x = 138,832,329.85/16,129.78
  6. Step 6: Final answer
    x = 8,607.21

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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.