Home / 22,542.66-31,075.88-15,807.96

Finding the Fourth Proportional to 22,542.66, 31,075.88 and 15,807.96

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Solution

The fourth proportional to 22,542.66, 31,075.88 and 15,807.96 is: 21,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,542.66 : 31,075.88 = 15,807.96 : x
  2. Step 2: Convert to fraction form
    22,542.66/31,075.88 = 15,807.96/x
  3. Step 3: Cross multiply
    22,542.66x = 31,075.88 × 15,807.96
  4. Step 4: Simplify right side
    22,542.66x = 491,246,188.97
  5. Step 5: Solve for x
    x = 491,246,188.97/22,542.66
  6. Step 6: Final answer
    x = 21,791.85

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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.