Home / 43,515.32-65,252.82-13,926.56

Finding the Fourth Proportional to 43,515.32, 65,252.82 and 13,926.56

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Solution

The fourth proportional to 43,515.32, 65,252.82 and 13,926.56 is: 20,883.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,515.32 : 65,252.82 = 13,926.56 : x
  2. Step 2: Convert to fraction form
    43,515.32/65,252.82 = 13,926.56/x
  3. Step 3: Cross multiply
    43,515.32x = 65,252.82 × 13,926.56
  4. Step 4: Simplify right side
    43,515.32x = 908,747,312.90
  5. Step 5: Solve for x
    x = 908,747,312.90/43,515.32
  6. Step 6: Final answer
    x = 20,883.39

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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.