Home / 22,735.34-31,375.74-12,663.78

Finding the Fourth Proportional to 22,735.34, 31,375.74 and 12,663.78

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Solution

The fourth proportional to 22,735.34, 31,375.74 and 12,663.78 is: 17,476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,735.34 : 31,375.74 = 12,663.78 : x
  2. Step 2: Convert to fraction form
    22,735.34/31,375.74 = 12,663.78/x
  3. Step 3: Cross multiply
    22,735.34x = 31,375.74 × 12,663.78
  4. Step 4: Simplify right side
    22,735.34x = 397,335,468.70
  5. Step 5: Solve for x
    x = 397,335,468.70/22,735.34
  6. Step 6: Final answer
    x = 17,476.56

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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.