Home / 16,309.20-22,507.56-9,235.20

Finding the Fourth Proportional to 16,309.20, 22,507.56 and 9,235.20

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Solution

The fourth proportional to 16,309.20, 22,507.56 and 9,235.20 is: 12,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,309.20 : 22,507.56 = 9,235.20 : x
  2. Step 2: Convert to fraction form
    16,309.20/22,507.56 = 9,235.20/x
  3. Step 3: Cross multiply
    16,309.20x = 22,507.56 × 9,235.20
  4. Step 4: Simplify right side
    16,309.20x = 207,861,818.11
  5. Step 5: Solve for x
    x = 207,861,818.11/16,309.20
  6. Step 6: Final answer
    x = 12,745.07

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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.