Home / 19,502.92-29,270.79-8,418.04

Finding the Fourth Proportional to 19,502.92, 29,270.79 and 8,418.04

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Solution

The fourth proportional to 19,502.92, 29,270.79 and 8,418.04 is: 12,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,502.92 : 29,270.79 = 8,418.04 : x
  2. Step 2: Convert to fraction form
    19,502.92/29,270.79 = 8,418.04/x
  3. Step 3: Cross multiply
    19,502.92x = 29,270.79 × 8,418.04
  4. Step 4: Simplify right side
    19,502.92x = 246,402,681.05
  5. Step 5: Solve for x
    x = 246,402,681.05/19,502.92
  6. Step 6: Final answer
    x = 12,634.14

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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.