Home / 16,173.50-22,319.15-9,099.90

Finding the Fourth Proportional to 16,173.50, 22,319.15 and 9,099.90

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Solution

The fourth proportional to 16,173.50, 22,319.15 and 9,099.90 is: 12,557.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,173.50 : 22,319.15 = 9,099.90 : x
  2. Step 2: Convert to fraction form
    16,173.50/22,319.15 = 9,099.90/x
  3. Step 3: Cross multiply
    16,173.50x = 22,319.15 × 9,099.90
  4. Step 4: Simplify right side
    16,173.50x = 203,101,987.59
  5. Step 5: Solve for x
    x = 203,101,987.59/16,173.50
  6. Step 6: Final answer
    x = 12,557.71

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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.