Home / 19,553.48-26,984.14-11,170.04

Finding the Fourth Proportional to 19,553.48, 26,984.14 and 11,170.04

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Solution

The fourth proportional to 19,553.48, 26,984.14 and 11,170.04 is: 15,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.48 : 26,984.14 = 11,170.04 : x
  2. Step 2: Convert to fraction form
    19,553.48/26,984.14 = 11,170.04/x
  3. Step 3: Cross multiply
    19,553.48x = 26,984.14 × 11,170.04
  4. Step 4: Simplify right side
    19,553.48x = 301,413,923.17
  5. Step 5: Solve for x
    x = 301,413,923.17/19,553.48
  6. Step 6: Final answer
    x = 15,414.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.