Home / 43,351.24-65,026.86-12,186.49

Finding the Fourth Proportional to 43,351.24, 65,026.86 and 12,186.49

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Solution

The fourth proportional to 43,351.24, 65,026.86 and 12,186.49 is: 18,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,351.24 : 65,026.86 = 12,186.49 : x
  2. Step 2: Convert to fraction form
    43,351.24/65,026.86 = 12,186.49/x
  3. Step 3: Cross multiply
    43,351.24x = 65,026.86 × 12,186.49
  4. Step 4: Simplify right side
    43,351.24x = 792,449,283.25
  5. Step 5: Solve for x
    x = 792,449,283.25/43,351.24
  6. Step 6: Final answer
    x = 18,279.74

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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.