Home / 18,677.13-25,773.78-10,179.08

Finding the Fourth Proportional to 18,677.13, 25,773.78 and 10,179.08

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Solution

The fourth proportional to 18,677.13, 25,773.78 and 10,179.08 is: 14,046.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677.13 : 25,773.78 = 10,179.08 : x
  2. Step 2: Convert to fraction form
    18,677.13/25,773.78 = 10,179.08/x
  3. Step 3: Cross multiply
    18,677.13x = 25,773.78 × 10,179.08
  4. Step 4: Simplify right side
    18,677.13x = 262,353,432.96
  5. Step 5: Solve for x
    x = 262,353,432.96/18,677.13
  6. Step 6: Final answer
    x = 14,046.77

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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.