Home / 23,687.16-32,689.28-13,618.76

Finding the Fourth Proportional to 23,687.16, 32,689.28 and 13,618.76

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Solution

The fourth proportional to 23,687.16, 32,689.28 and 13,618.76 is: 18,794.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,687.16 : 32,689.28 = 13,618.76 : x
  2. Step 2: Convert to fraction form
    23,687.16/32,689.28 = 13,618.76/x
  3. Step 3: Cross multiply
    23,687.16x = 32,689.28 × 13,618.76
  4. Step 4: Simplify right side
    23,687.16x = 445,187,458.89
  5. Step 5: Solve for x
    x = 445,187,458.89/23,687.16
  6. Step 6: Final answer
    x = 18,794.46

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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.