Home / 22,644.48-31,250.88-13,086.21

Finding the Fourth Proportional to 22,644.48, 31,250.88 and 13,086.21

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Solution

The fourth proportional to 22,644.48, 31,250.88 and 13,086.21 is: 18,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,644.48 : 31,250.88 = 13,086.21 : x
  2. Step 2: Convert to fraction form
    22,644.48/31,250.88 = 13,086.21/x
  3. Step 3: Cross multiply
    22,644.48x = 31,250.88 × 13,086.21
  4. Step 4: Simplify right side
    22,644.48x = 408,955,578.36
  5. Step 5: Solve for x
    x = 408,955,578.36/22,644.48
  6. Step 6: Final answer
    x = 18,059.84

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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.