Home / 19,529.12-29,293.68-5,488.58

Finding the Fourth Proportional to 19,529.12, 29,293.68 and 5,488.58

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Solution

The fourth proportional to 19,529.12, 29,293.68 and 5,488.58 is: 8,232.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,529.12 : 29,293.68 = 5,488.58 : x
  2. Step 2: Convert to fraction form
    19,529.12/29,293.68 = 5,488.58/x
  3. Step 3: Cross multiply
    19,529.12x = 29,293.68 × 5,488.58
  4. Step 4: Simplify right side
    19,529.12x = 160,780,559.71
  5. Step 5: Solve for x
    x = 160,780,559.71/19,529.12
  6. Step 6: Final answer
    x = 8,232.86

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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.