Home / 16,200.10-22,353.42-9,391.66

Finding the Fourth Proportional to 16,200.10, 22,353.42 and 9,391.66

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Solution

The fourth proportional to 16,200.10, 22,353.42 and 9,391.66 is: 12,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,200.10 : 22,353.42 = 9,391.66 : x
  2. Step 2: Convert to fraction form
    16,200.10/22,353.42 = 9,391.66/x
  3. Step 3: Cross multiply
    16,200.10x = 22,353.42 × 9,391.66
  4. Step 4: Simplify right side
    16,200.10x = 209,935,720.48
  5. Step 5: Solve for x
    x = 209,935,720.48/16,200.10
  6. Step 6: Final answer
    x = 12,958.92

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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.