Home / 23,305.68-32,161.88-12,695.28

Finding the Fourth Proportional to 23,305.68, 32,161.88 and 12,695.28

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Solution

The fourth proportional to 23,305.68, 32,161.88 and 12,695.28 is: 17,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,305.68 : 32,161.88 = 12,695.28 : x
  2. Step 2: Convert to fraction form
    23,305.68/32,161.88 = 12,695.28/x
  3. Step 3: Cross multiply
    23,305.68x = 32,161.88 × 12,695.28
  4. Step 4: Simplify right side
    23,305.68x = 408,304,071.93
  5. Step 5: Solve for x
    x = 408,304,071.93/23,305.68
  6. Step 6: Final answer
    x = 17,519.51

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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.