Home / 14,799.32-20,422.72-8,084.97

Finding the Fourth Proportional to 14,799.32, 20,422.72 and 8,084.97

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Solution

The fourth proportional to 14,799.32, 20,422.72 and 8,084.97 is: 11,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,799.32 : 20,422.72 = 8,084.97 : x
  2. Step 2: Convert to fraction form
    14,799.32/20,422.72 = 8,084.97/x
  3. Step 3: Cross multiply
    14,799.32x = 20,422.72 × 8,084.97
  4. Step 4: Simplify right side
    14,799.32x = 165,117,078.52
  5. Step 5: Solve for x
    x = 165,117,078.52/14,799.32
  6. Step 6: Final answer
    x = 11,157.07

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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.