Home / 43,769.80-65,649.22-12,182.23

Finding the Fourth Proportional to 43,769.80, 65,649.22 and 12,182.23

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Solution

The fourth proportional to 43,769.80, 65,649.22 and 12,182.23 is: 18,271.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,769.80 : 65,649.22 = 12,182.23 : x
  2. Step 2: Convert to fraction form
    43,769.80/65,649.22 = 12,182.23/x
  3. Step 3: Cross multiply
    43,769.80x = 65,649.22 × 12,182.23
  4. Step 4: Simplify right side
    43,769.80x = 799,753,897.36
  5. Step 5: Solve for x
    x = 799,753,897.36/43,769.80
  6. Step 6: Final answer
    x = 18,271.82

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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.