Home / 43,756.18-65,634.27-12,591.43

Finding the Fourth Proportional to 43,756.18, 65,634.27 and 12,591.43

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Solution

The fourth proportional to 43,756.18, 65,634.27 and 12,591.43 is: 18,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,756.18 : 65,634.27 = 12,591.43 : x
  2. Step 2: Convert to fraction form
    43,756.18/65,634.27 = 12,591.43/x
  3. Step 3: Cross multiply
    43,756.18x = 65,634.27 × 12,591.43
  4. Step 4: Simplify right side
    43,756.18x = 826,429,316.31
  5. Step 5: Solve for x
    x = 826,429,316.31/43,756.18
  6. Step 6: Final answer
    x = 18,887.15

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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.