Home / 13,332.38-19,998.56-4,098.38

Finding the Fourth Proportional to 13,332.38, 19,998.56 and 4,098.38

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Solution

The fourth proportional to 13,332.38, 19,998.56 and 4,098.38 is: 6,147.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.38 : 19,998.56 = 4,098.38 : x
  2. Step 2: Convert to fraction form
    13,332.38/19,998.56 = 4,098.38/x
  3. Step 3: Cross multiply
    13,332.38x = 19,998.56 × 4,098.38
  4. Step 4: Simplify right side
    13,332.38x = 81,961,608.59
  5. Step 5: Solve for x
    x = 81,961,608.59/13,332.38
  6. Step 6: Final answer
    x = 6,147.56

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1.5x scale

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.