Home / 22,591.07-31,174.81-13,031.36

Finding the Fourth Proportional to 22,591.07, 31,174.81 and 13,031.36

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Solution

The fourth proportional to 22,591.07, 31,174.81 and 13,031.36 is: 17,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,591.07 : 31,174.81 = 13,031.36 : x
  2. Step 2: Convert to fraction form
    22,591.07/31,174.81 = 13,031.36/x
  3. Step 3: Cross multiply
    22,591.07x = 31,174.81 × 13,031.36
  4. Step 4: Simplify right side
    22,591.07x = 406,250,172.04
  5. Step 5: Solve for x
    x = 406,250,172.04/22,591.07
  6. Step 6: Final answer
    x = 17,982.78

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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.