Home / 22,642.74-31,244.94-13,209.48

Finding the Fourth Proportional to 22,642.74, 31,244.94 and 13,209.48

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Solution

The fourth proportional to 22,642.74, 31,244.94 and 13,209.48 is: 18,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,642.74 : 31,244.94 = 13,209.48 : x
  2. Step 2: Convert to fraction form
    22,642.74/31,244.94 = 13,209.48/x
  3. Step 3: Cross multiply
    22,642.74x = 31,244.94 × 13,209.48
  4. Step 4: Simplify right side
    22,642.74x = 412,729,410.03
  5. Step 5: Solve for x
    x = 412,729,410.03/22,642.74
  6. Step 6: Final answer
    x = 18,227.89

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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.