Home / 43,134.16-64,705.92-13,552.96

Finding the Fourth Proportional to 43,134.16, 64,705.92 and 13,552.96

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Solution

The fourth proportional to 43,134.16, 64,705.92 and 13,552.96 is: 20,330.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,134.16 : 64,705.92 = 13,552.96 : x
  2. Step 2: Convert to fraction form
    43,134.16/64,705.92 = 13,552.96/x
  3. Step 3: Cross multiply
    43,134.16x = 64,705.92 × 13,552.96
  4. Step 4: Simplify right side
    43,134.16x = 876,956,745.52
  5. Step 5: Solve for x
    x = 876,956,745.52/43,134.16
  6. Step 6: Final answer
    x = 20,330.91

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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.