Home / 23,022.80-31,770.24-13,587.92

Finding the Fourth Proportional to 23,022.80, 31,770.24 and 13,587.92

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Solution

The fourth proportional to 23,022.80, 31,770.24 and 13,587.92 is: 18,750.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,022.80 : 31,770.24 = 13,587.92 : x
  2. Step 2: Convert to fraction form
    23,022.80/31,770.24 = 13,587.92/x
  3. Step 3: Cross multiply
    23,022.80x = 31,770.24 × 13,587.92
  4. Step 4: Simplify right side
    23,022.80x = 431,691,479.50
  5. Step 5: Solve for x
    x = 431,691,479.50/23,022.80
  6. Step 6: Final answer
    x = 18,750.61

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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.