Home / 19,589.42-29,378.55-5,548.52

Finding the Fourth Proportional to 19,589.42, 29,378.55 and 5,548.52

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Solution

The fourth proportional to 19,589.42, 29,378.55 and 5,548.52 is: 8,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,589.42 : 29,378.55 = 5,548.52 : x
  2. Step 2: Convert to fraction form
    19,589.42/29,378.55 = 5,548.52/x
  3. Step 3: Cross multiply
    19,589.42x = 29,378.55 × 5,548.52
  4. Step 4: Simplify right side
    19,589.42x = 163,007,472.25
  5. Step 5: Solve for x
    x = 163,007,472.25/19,589.42
  6. Step 6: Final answer
    x = 8,321.20

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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.