Home / 43,817.60-65,710.20-14,236.40

Finding the Fourth Proportional to 43,817.60, 65,710.20 and 14,236.40

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Solution

The fourth proportional to 43,817.60, 65,710.20 and 14,236.40 is: 21,349.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,817.60 : 65,710.20 = 14,236.40 : x
  2. Step 2: Convert to fraction form
    43,817.60/65,710.20 = 14,236.40/x
  3. Step 3: Cross multiply
    43,817.60x = 65,710.20 × 14,236.40
  4. Step 4: Simplify right side
    43,817.60x = 935,476,691.28
  5. Step 5: Solve for x
    x = 935,476,691.28/43,817.60
  6. Step 6: Final answer
    x = 21,349.34

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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.