Home / 16,765.12-23,134.88-9,691.04

Finding the Fourth Proportional to 16,765.12, 23,134.88 and 9,691.04

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Solution

The fourth proportional to 16,765.12, 23,134.88 and 9,691.04 is: 13,373.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.12 : 23,134.88 = 9,691.04 : x
  2. Step 2: Convert to fraction form
    16,765.12/23,134.88 = 9,691.04/x
  3. Step 3: Cross multiply
    16,765.12x = 23,134.88 × 9,691.04
  4. Step 4: Simplify right side
    16,765.12x = 224,201,047.48
  5. Step 5: Solve for x
    x = 224,201,047.48/16,765.12
  6. Step 6: Final answer
    x = 13,373.07

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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.