Home / 18,677.72-25,774.61-10,179.68

Finding the Fourth Proportional to 18,677.72, 25,774.61 and 10,179.68

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Solution

The fourth proportional to 18,677.72, 25,774.61 and 10,179.68 is: 14,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677.72 : 25,774.61 = 10,179.68 : x
  2. Step 2: Convert to fraction form
    18,677.72/25,774.61 = 10,179.68/x
  3. Step 3: Cross multiply
    18,677.72x = 25,774.61 × 10,179.68
  4. Step 4: Simplify right side
    18,677.72x = 262,377,102.15
  5. Step 5: Solve for x
    x = 262,377,102.15/18,677.72
  6. Step 6: Final answer
    x = 14,047.60

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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.