Home / 23,687.24-32,689.12-13,617.72

Finding the Fourth Proportional to 23,687.24, 32,689.12 and 13,617.72

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Solution

The fourth proportional to 23,687.24, 32,689.12 and 13,617.72 is: 18,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,687.24 : 32,689.12 = 13,617.72 : x
  2. Step 2: Convert to fraction form
    23,687.24/32,689.12 = 13,617.72/x
  3. Step 3: Cross multiply
    23,687.24x = 32,689.12 × 13,617.72
  4. Step 4: Simplify right side
    23,687.24x = 445,151,274.70
  5. Step 5: Solve for x
    x = 445,151,274.70/23,687.24
  6. Step 6: Final answer
    x = 18,792.88

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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.