Home / 18,016.96-24,895.20-13,861.12

Finding the Fourth Proportional to 18,016.96, 24,895.20 and 13,861.12

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Solution

The fourth proportional to 18,016.96, 24,895.20 and 13,861.12 is: 19,152.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016.96 : 24,895.20 = 13,861.12 : x
  2. Step 2: Convert to fraction form
    18,016.96/24,895.20 = 13,861.12/x
  3. Step 3: Cross multiply
    18,016.96x = 24,895.20 × 13,861.12
  4. Step 4: Simplify right side
    18,016.96x = 345,075,354.62
  5. Step 5: Solve for x
    x = 345,075,354.62/18,016.96
  6. Step 6: Final answer
    x = 19,152.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.