Home / 19,475.19-29,209.82-5,433.74

Finding the Fourth Proportional to 19,475.19, 29,209.82 and 5,433.74

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Solution

The fourth proportional to 19,475.19, 29,209.82 and 5,433.74 is: 8,149.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,475.19 : 29,209.82 = 5,433.74 : x
  2. Step 2: Convert to fraction form
    19,475.19/29,209.82 = 5,433.74/x
  3. Step 3: Cross multiply
    19,475.19x = 29,209.82 × 5,433.74
  4. Step 4: Simplify right side
    19,475.19x = 158,718,421.28
  5. Step 5: Solve for x
    x = 158,718,421.28/19,475.19
  6. Step 6: Final answer
    x = 8,149.78

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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.