Home / 22,481.93-31,037.49-13,531.63

Finding the Fourth Proportional to 22,481.93, 31,037.49 and 13,531.63

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Solution

The fourth proportional to 22,481.93, 31,037.49 and 13,531.63 is: 18,681.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,481.93 : 31,037.49 = 13,531.63 : x
  2. Step 2: Convert to fraction form
    22,481.93/31,037.49 = 13,531.63/x
  3. Step 3: Cross multiply
    22,481.93x = 31,037.49 × 13,531.63
  4. Step 4: Simplify right side
    22,481.93x = 419,987,675.62
  5. Step 5: Solve for x
    x = 419,987,675.62/22,481.93
  6. Step 6: Final answer
    x = 18,681.12

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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.