Home / 43,443.48-65,165.28-13,861.44

Finding the Fourth Proportional to 43,443.48, 65,165.28 and 13,861.44

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Solution

The fourth proportional to 43,443.48, 65,165.28 and 13,861.44 is: 20,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,443.48 : 65,165.28 = 13,861.44 : x
  2. Step 2: Convert to fraction form
    43,443.48/65,165.28 = 13,861.44/x
  3. Step 3: Cross multiply
    43,443.48x = 65,165.28 × 13,861.44
  4. Step 4: Simplify right side
    43,443.48x = 903,284,618.80
  5. Step 5: Solve for x
    x = 903,284,618.80/43,443.48
  6. Step 6: Final answer
    x = 20,792.18

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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.