Home / 15,589.97-21,521.24-9,932.48

Finding the Fourth Proportional to 15,589.97, 21,521.24 and 9,932.48

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Solution

The fourth proportional to 15,589.97, 21,521.24 and 9,932.48 is: 13,711.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,589.97 : 21,521.24 = 9,932.48 : x
  2. Step 2: Convert to fraction form
    15,589.97/21,521.24 = 9,932.48/x
  3. Step 3: Cross multiply
    15,589.97x = 21,521.24 × 9,932.48
  4. Step 4: Simplify right side
    15,589.97x = 213,759,285.88
  5. Step 5: Solve for x
    x = 213,759,285.88/15,589.97
  6. Step 6: Final answer
    x = 13,711.33

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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.