Home / 16,173.20-22,318.08-9,099.32

Finding the Fourth Proportional to 16,173.20, 22,318.08 and 9,099.32

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Solution

The fourth proportional to 16,173.20, 22,318.08 and 9,099.32 is: 12,556.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,173.20 : 22,318.08 = 9,099.32 : x
  2. Step 2: Convert to fraction form
    16,173.20/22,318.08 = 9,099.32/x
  3. Step 3: Cross multiply
    16,173.20x = 22,318.08 × 9,099.32
  4. Step 4: Simplify right side
    16,173.20x = 203,079,351.71
  5. Step 5: Solve for x
    x = 203,079,351.71/16,173.20
  6. Step 6: Final answer
    x = 12,556.53

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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.