Home / 22,808.44-31,470.06-13,375.18

Finding the Fourth Proportional to 22,808.44, 31,470.06 and 13,375.18

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Solution

The fourth proportional to 22,808.44, 31,470.06 and 13,375.18 is: 18,454.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,808.44 : 31,470.06 = 13,375.18 : x
  2. Step 2: Convert to fraction form
    22,808.44/31,470.06 = 13,375.18/x
  3. Step 3: Cross multiply
    22,808.44x = 31,470.06 × 13,375.18
  4. Step 4: Simplify right side
    22,808.44x = 420,917,717.11
  5. Step 5: Solve for x
    x = 420,917,717.11/22,808.44
  6. Step 6: Final answer
    x = 18,454.47

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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.