Home / 16,247.32-22,420.92-9,173.56

Finding the Fourth Proportional to 16,247.32, 22,420.92 and 9,173.56

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Solution

The fourth proportional to 16,247.32, 22,420.92 and 9,173.56 is: 12,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,247.32 : 22,420.92 = 9,173.56 : x
  2. Step 2: Convert to fraction form
    16,247.32/22,420.92 = 9,173.56/x
  3. Step 3: Cross multiply
    16,247.32x = 22,420.92 × 9,173.56
  4. Step 4: Simplify right side
    16,247.32x = 205,679,654.88
  5. Step 5: Solve for x
    x = 205,679,654.88/16,247.32
  6. Step 6: Final answer
    x = 12,659.30

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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.