Home / 22,642.67-31,248.36-13,082.96

Finding the Fourth Proportional to 22,642.67, 31,248.36 and 13,082.96

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Solution

The fourth proportional to 22,642.67, 31,248.36 and 13,082.96 is: 18,055.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,642.67 : 31,248.36 = 13,082.96 : x
  2. Step 2: Convert to fraction form
    22,642.67/31,248.36 = 13,082.96/x
  3. Step 3: Cross multiply
    22,642.67x = 31,248.36 × 13,082.96
  4. Step 4: Simplify right side
    22,642.67x = 408,820,887.70
  5. Step 5: Solve for x
    x = 408,820,887.70/22,642.67
  6. Step 6: Final answer
    x = 18,055.33

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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.