Home / 22,231.97-30,689.57-13,852.61

Finding the Fourth Proportional to 22,231.97, 30,689.57 and 13,852.61

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Solution

The fourth proportional to 22,231.97, 30,689.57 and 13,852.61 is: 19,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,231.97 : 30,689.57 = 13,852.61 : x
  2. Step 2: Convert to fraction form
    22,231.97/30,689.57 = 13,852.61/x
  3. Step 3: Cross multiply
    22,231.97x = 30,689.57 × 13,852.61
  4. Step 4: Simplify right side
    22,231.97x = 425,130,575.01
  5. Step 5: Solve for x
    x = 425,130,575.01/22,231.97
  6. Step 6: Final answer
    x = 19,122.49

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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.