Home / 18,191.70-25,104.06-10,235.61

Finding the Fourth Proportional to 18,191.70, 25,104.06 and 10,235.61

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Solution

The fourth proportional to 18,191.70, 25,104.06 and 10,235.61 is: 14,124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.70 : 25,104.06 = 10,235.61 : x
  2. Step 2: Convert to fraction form
    18,191.70/25,104.06 = 10,235.61/x
  3. Step 3: Cross multiply
    18,191.70x = 25,104.06 × 10,235.61
  4. Step 4: Simplify right side
    18,191.70x = 256,955,367.58
  5. Step 5: Solve for x
    x = 256,955,367.58/18,191.70
  6. Step 6: Final answer
    x = 14,124.87

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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.