Home / 22,497.58-31,040.31-13,542.22

Finding the Fourth Proportional to 22,497.58, 31,040.31 and 13,542.22

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Solution

The fourth proportional to 22,497.58, 31,040.31 and 13,542.22 is: 18,684.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,497.58 : 31,040.31 = 13,542.22 : x
  2. Step 2: Convert to fraction form
    22,497.58/31,040.31 = 13,542.22/x
  3. Step 3: Cross multiply
    22,497.58x = 31,040.31 × 13,542.22
  4. Step 4: Simplify right side
    22,497.58x = 420,354,706.89
  5. Step 5: Solve for x
    x = 420,354,706.89/22,497.58
  6. Step 6: Final answer
    x = 18,684.44

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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.