Home / 43,474.70-65,188.02-13,480.62

Finding the Fourth Proportional to 43,474.70, 65,188.02 and 13,480.62

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Solution

The fourth proportional to 43,474.70, 65,188.02 and 13,480.62 is: 20,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,474.70 : 65,188.02 = 13,480.62 : x
  2. Step 2: Convert to fraction form
    43,474.70/65,188.02 = 13,480.62/x
  3. Step 3: Cross multiply
    43,474.70x = 65,188.02 × 13,480.62
  4. Step 4: Simplify right side
    43,474.70x = 878,774,926.17
  5. Step 5: Solve for x
    x = 878,774,926.17/43,474.70
  6. Step 6: Final answer
    x = 20,213.48

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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.