Home / 19,520.76-29,292.80-17,932.66

Finding the Fourth Proportional to 19,520.76, 29,292.80 and 17,932.66

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Solution

The fourth proportional to 19,520.76, 29,292.80 and 17,932.66 is: 26,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520.76 : 29,292.80 = 17,932.66 : x
  2. Step 2: Convert to fraction form
    19,520.76/29,292.80 = 17,932.66/x
  3. Step 3: Cross multiply
    19,520.76x = 29,292.80 × 17,932.66
  4. Step 4: Simplify right side
    19,520.76x = 525,297,940.52
  5. Step 5: Solve for x
    x = 525,297,940.52/19,520.76
  6. Step 6: Final answer
    x = 26,909.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.