Home / 18,199.38-25,110.96-10,238.70

Finding the Fourth Proportional to 18,199.38, 25,110.96 and 10,238.70

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Solution

The fourth proportional to 18,199.38, 25,110.96 and 10,238.70 is: 14,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199.38 : 25,110.96 = 10,238.70 : x
  2. Step 2: Convert to fraction form
    18,199.38/25,110.96 = 10,238.70/x
  3. Step 3: Cross multiply
    18,199.38x = 25,110.96 × 10,238.70
  4. Step 4: Simplify right side
    18,199.38x = 257,103,586.15
  5. Step 5: Solve for x
    x = 257,103,586.15/18,199.38
  6. Step 6: Final answer
    x = 14,127.05

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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.