Home / 43,708.68-65,572.74-12,541.56

Finding the Fourth Proportional to 43,708.68, 65,572.74 and 12,541.56

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Solution

The fourth proportional to 43,708.68, 65,572.74 and 12,541.56 is: 18,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,708.68 : 65,572.74 = 12,541.56 : x
  2. Step 2: Convert to fraction form
    43,708.68/65,572.74 = 12,541.56/x
  3. Step 3: Cross multiply
    43,708.68x = 65,572.74 × 12,541.56
  4. Step 4: Simplify right side
    43,708.68x = 822,384,453.07
  5. Step 5: Solve for x
    x = 822,384,453.07/43,708.68
  6. Step 6: Final answer
    x = 18,815.13

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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.