Home / 18,205.11-25,125.30-10,248.84

Finding the Fourth Proportional to 18,205.11, 25,125.30 and 10,248.84

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Solution

The fourth proportional to 18,205.11, 25,125.30 and 10,248.84 is: 14,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.11 : 25,125.30 = 10,248.84 : x
  2. Step 2: Convert to fraction form
    18,205.11/25,125.30 = 10,248.84/x
  3. Step 3: Cross multiply
    18,205.11x = 25,125.30 × 10,248.84
  4. Step 4: Simplify right side
    18,205.11x = 257,505,179.65
  5. Step 5: Solve for x
    x = 257,505,179.65/18,205.11
  6. Step 6: Final answer
    x = 14,144.66

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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.