Home / 23,318.12-32,179.68-12,708.42

Finding the Fourth Proportional to 23,318.12, 32,179.68 and 12,708.42

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Solution

The fourth proportional to 23,318.12, 32,179.68 and 12,708.42 is: 17,537.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,318.12 : 32,179.68 = 12,708.42 : x
  2. Step 2: Convert to fraction form
    23,318.12/32,179.68 = 12,708.42/x
  3. Step 3: Cross multiply
    23,318.12x = 32,179.68 × 12,708.42
  4. Step 4: Simplify right side
    23,318.12x = 408,952,888.91
  5. Step 5: Solve for x
    x = 408,952,888.91/23,318.12
  6. Step 6: Final answer
    x = 17,537.99

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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.