Home / 36,112.12-54,131.28-13,916.80

Finding the Fourth Proportional to 36,112.12, 54,131.28 and 13,916.80

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Solution

The fourth proportional to 36,112.12, 54,131.28 and 13,916.80 is: 20,860.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,112.12 : 54,131.28 = 13,916.80 : x
  2. Step 2: Convert to fraction form
    36,112.12/54,131.28 = 13,916.80/x
  3. Step 3: Cross multiply
    36,112.12x = 54,131.28 × 13,916.80
  4. Step 4: Simplify right side
    36,112.12x = 753,334,197.50
  5. Step 5: Solve for x
    x = 753,334,197.50/36,112.12
  6. Step 6: Final answer
    x = 20,860.98

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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.