Home / 16,213.66-24,278.36-13,888.60

Finding the Fourth Proportional to 16,213.66, 24,278.36 and 13,888.60

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Solution

The fourth proportional to 16,213.66, 24,278.36 and 13,888.60 is: 20,796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,213.66 : 24,278.36 = 13,888.60 : x
  2. Step 2: Convert to fraction form
    16,213.66/24,278.36 = 13,888.60/x
  3. Step 3: Cross multiply
    16,213.66x = 24,278.36 × 13,888.60
  4. Step 4: Simplify right side
    16,213.66x = 337,192,430.70
  5. Step 5: Solve for x
    x = 337,192,430.70/16,213.66
  6. Step 6: Final answer
    x = 20,796.81

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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.