Home / 13,272.48-19,869.12-8,062.56

Finding the Fourth Proportional to 13,272.48, 19,869.12 and 8,062.56

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Solution

The fourth proportional to 13,272.48, 19,869.12 and 8,062.56 is: 12,069.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.48 : 19,869.12 = 8,062.56 : x
  2. Step 2: Convert to fraction form
    13,272.48/19,869.12 = 8,062.56/x
  3. Step 3: Cross multiply
    13,272.48x = 19,869.12 × 8,062.56
  4. Step 4: Simplify right side
    13,272.48x = 160,195,972.15
  5. Step 5: Solve for x
    x = 160,195,972.15/13,272.48
  6. Step 6: Final answer
    x = 12,069.78

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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.