Home / 22,629.38-31,227.14-13,671.60

Finding the Fourth Proportional to 22,629.38, 31,227.14 and 13,671.60

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Solution

The fourth proportional to 22,629.38, 31,227.14 and 13,671.60 is: 18,865.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,629.38 : 31,227.14 = 13,671.60 : x
  2. Step 2: Convert to fraction form
    22,629.38/31,227.14 = 13,671.60/x
  3. Step 3: Cross multiply
    22,629.38x = 31,227.14 × 13,671.60
  4. Step 4: Simplify right side
    22,629.38x = 426,924,967.22
  5. Step 5: Solve for x
    x = 426,924,967.22/22,629.38
  6. Step 6: Final answer
    x = 18,865.96

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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.