Home / 16,173.30-22,320.45-9,099.30

Finding the Fourth Proportional to 16,173.30, 22,320.45 and 9,099.30

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Solution

The fourth proportional to 16,173.30, 22,320.45 and 9,099.30 is: 12,557.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,173.30 : 22,320.45 = 9,099.30 : x
  2. Step 2: Convert to fraction form
    16,173.30/22,320.45 = 9,099.30/x
  3. Step 3: Cross multiply
    16,173.30x = 22,320.45 × 9,099.30
  4. Step 4: Simplify right side
    16,173.30x = 203,100,470.69
  5. Step 5: Solve for x
    x = 203,100,470.69/16,173.30
  6. Step 6: Final answer
    x = 12,557.76

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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.