Home / 22,467.75-31,005.50-12,531.75

Finding the Fourth Proportional to 22,467.75, 31,005.50 and 12,531.75

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Solution

The fourth proportional to 22,467.75, 31,005.50 and 12,531.75 is: 17,293.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,467.75 : 31,005.50 = 12,531.75 : x
  2. Step 2: Convert to fraction form
    22,467.75/31,005.50 = 12,531.75/x
  3. Step 3: Cross multiply
    22,467.75x = 31,005.50 × 12,531.75
  4. Step 4: Simplify right side
    22,467.75x = 388,553,111.97
  5. Step 5: Solve for x
    x = 388,553,111.97/22,467.75
  6. Step 6: Final answer
    x = 17,293.82

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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.