Home / 13,013.68-19,505.68-5,512.56

Finding the Fourth Proportional to 13,013.68, 19,505.68 and 5,512.56

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Solution

The fourth proportional to 13,013.68, 19,505.68 and 5,512.56 is: 8,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.68 : 19,505.68 = 5,512.56 : x
  2. Step 2: Convert to fraction form
    13,013.68/19,505.68 = 5,512.56/x
  3. Step 3: Cross multiply
    13,013.68x = 19,505.68 × 5,512.56
  4. Step 4: Simplify right side
    13,013.68x = 107,526,231.34
  5. Step 5: Solve for x
    x = 107,526,231.34/13,013.68
  6. Step 6: Final answer
    x = 8,262.55

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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.