Home / 43,649.16-65,474.34-12,484.41

Finding the Fourth Proportional to 43,649.16, 65,474.34 and 12,484.41

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Solution

The fourth proportional to 43,649.16, 65,474.34 and 12,484.41 is: 18,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,649.16 : 65,474.34 = 12,484.41 : x
  2. Step 2: Convert to fraction form
    43,649.16/65,474.34 = 12,484.41/x
  3. Step 3: Cross multiply
    43,649.16x = 65,474.34 × 12,484.41
  4. Step 4: Simplify right side
    43,649.16x = 817,408,505.04
  5. Step 5: Solve for x
    x = 817,408,505.04/43,649.16
  6. Step 6: Final answer
    x = 18,726.79

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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.