Home / 43,520.11-65,283.64-18,560.38

Finding the Fourth Proportional to 43,520.11, 65,283.64 and 18,560.38

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Solution

The fourth proportional to 43,520.11, 65,283.64 and 18,560.38 is: 27,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,520.11 : 65,283.64 = 18,560.38 : x
  2. Step 2: Convert to fraction form
    43,520.11/65,283.64 = 18,560.38/x
  3. Step 3: Cross multiply
    43,520.11x = 65,283.64 × 18,560.38
  4. Step 4: Simplify right side
    43,520.11x = 1,211,689,166.18
  5. Step 5: Solve for x
    x = 1,211,689,166.18/43,520.11
  6. Step 6: Final answer
    x = 27,842.05

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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.