Home / 19,378.52-29,060.82-8,286.02

Finding the Fourth Proportional to 19,378.52, 29,060.82 and 8,286.02

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Solution

The fourth proportional to 19,378.52, 29,060.82 and 8,286.02 is: 12,426.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378.52 : 29,060.82 = 8,286.02 : x
  2. Step 2: Convert to fraction form
    19,378.52/29,060.82 = 8,286.02/x
  3. Step 3: Cross multiply
    19,378.52x = 29,060.82 × 8,286.02
  4. Step 4: Simplify right side
    19,378.52x = 240,798,535.74
  5. Step 5: Solve for x
    x = 240,798,535.74/19,378.52
  6. Step 6: Final answer
    x = 12,426.05

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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.