Home / 14,101.92-19,454.40-8,132.16

Finding the Fourth Proportional to 14,101.92, 19,454.40 and 8,132.16

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Solution

The fourth proportional to 14,101.92, 19,454.40 and 8,132.16 is: 11,218.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.92 : 19,454.40 = 8,132.16 : x
  2. Step 2: Convert to fraction form
    14,101.92/19,454.40 = 8,132.16/x
  3. Step 3: Cross multiply
    14,101.92x = 19,454.40 × 8,132.16
  4. Step 4: Simplify right side
    14,101.92x = 158,206,293.50
  5. Step 5: Solve for x
    x = 158,206,293.50/14,101.92
  6. Step 6: Final answer
    x = 11,218.78

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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.