Home / 14,731.35-20,329.07-8,016.90

Finding the Fourth Proportional to 14,731.35, 20,329.07 and 8,016.90

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Solution

The fourth proportional to 14,731.35, 20,329.07 and 8,016.90 is: 11,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.35 : 20,329.07 = 8,016.90 : x
  2. Step 2: Convert to fraction form
    14,731.35/20,329.07 = 8,016.90/x
  3. Step 3: Cross multiply
    14,731.35x = 20,329.07 × 8,016.90
  4. Step 4: Simplify right side
    14,731.35x = 162,976,081.20
  5. Step 5: Solve for x
    x = 162,976,081.20/14,731.35
  6. Step 6: Final answer
    x = 11,063.21

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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.