Home / 14,799.38-20,422.26-8,084.88

Finding the Fourth Proportional to 14,799.38, 20,422.26 and 8,084.88

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Solution

The fourth proportional to 14,799.38, 20,422.26 and 8,084.88 is: 11,156.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,799.38 : 20,422.26 = 8,084.88 : x
  2. Step 2: Convert to fraction form
    14,799.38/20,422.26 = 8,084.88/x
  3. Step 3: Cross multiply
    14,799.38x = 20,422.26 × 8,084.88
  4. Step 4: Simplify right side
    14,799.38x = 165,111,521.43
  5. Step 5: Solve for x
    x = 165,111,521.43/14,799.38
  6. Step 6: Final answer
    x = 11,156.66

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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.