Home / 22,591.76-31,187.48-15,883.14

Finding the Fourth Proportional to 22,591.76, 31,187.48 and 15,883.14

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Solution

The fourth proportional to 22,591.76, 31,187.48 and 15,883.14 is: 21,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,591.76 : 31,187.48 = 15,883.14 : x
  2. Step 2: Convert to fraction form
    22,591.76/31,187.48 = 15,883.14/x
  3. Step 3: Cross multiply
    22,591.76x = 31,187.48 × 15,883.14
  4. Step 4: Simplify right side
    22,591.76x = 495,355,062.54
  5. Step 5: Solve for x
    x = 495,355,062.54/22,591.76
  6. Step 6: Final answer
    x = 21,926.36

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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.