Home / 22,497.24-31,043.55-12,425.20

Finding the Fourth Proportional to 22,497.24, 31,043.55 and 12,425.20

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Solution

The fourth proportional to 22,497.24, 31,043.55 and 12,425.20 is: 17,145.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,497.24 : 31,043.55 = 12,425.20 : x
  2. Step 2: Convert to fraction form
    22,497.24/31,043.55 = 12,425.20/x
  3. Step 3: Cross multiply
    22,497.24x = 31,043.55 × 12,425.20
  4. Step 4: Simplify right side
    22,497.24x = 385,722,286.45
  5. Step 5: Solve for x
    x = 385,722,286.45/22,497.24
  6. Step 6: Final answer
    x = 17,145.31

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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.