Home / 14,131.28-21,191.52-6,730.08

Finding the Fourth Proportional to 14,131.28, 21,191.52 and 6,730.08

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Solution

The fourth proportional to 14,131.28, 21,191.52 and 6,730.08 is: 10,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131.28 : 21,191.52 = 6,730.08 : x
  2. Step 2: Convert to fraction form
    14,131.28/21,191.52 = 6,730.08/x
  3. Step 3: Cross multiply
    14,131.28x = 21,191.52 × 6,730.08
  4. Step 4: Simplify right side
    14,131.28x = 142,620,624.92
  5. Step 5: Solve for x
    x = 142,620,624.92/14,131.28
  6. Step 6: Final answer
    x = 10,092.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.