Home / 43,853.92-65,780.31-10,573.72

Finding the Fourth Proportional to 43,853.92, 65,780.31 and 10,573.72

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Solution

The fourth proportional to 43,853.92, 65,780.31 and 10,573.72 is: 15,860.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,853.92 : 65,780.31 = 10,573.72 : x
  2. Step 2: Convert to fraction form
    43,853.92/65,780.31 = 10,573.72/x
  3. Step 3: Cross multiply
    43,853.92x = 65,780.31 × 10,573.72
  4. Step 4: Simplify right side
    43,853.92x = 695,542,362.13
  5. Step 5: Solve for x
    x = 695,542,362.13/43,853.92
  6. Step 6: Final answer
    x = 15,860.44

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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.