Home / 18,208.92-25,128.30-10,251.18

Finding the Fourth Proportional to 18,208.92, 25,128.30 and 10,251.18

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Solution

The fourth proportional to 18,208.92, 25,128.30 and 10,251.18 is: 14,146.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.92 : 25,128.30 = 10,251.18 : x
  2. Step 2: Convert to fraction form
    18,208.92/25,128.30 = 10,251.18/x
  3. Step 3: Cross multiply
    18,208.92x = 25,128.30 × 10,251.18
  4. Step 4: Simplify right side
    18,208.92x = 257,594,726.39
  5. Step 5: Solve for x
    x = 257,594,726.39/18,208.92
  6. Step 6: Final answer
    x = 14,146.62

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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.