Home / 18,677.25-25,774.98-10,179.34

Finding the Fourth Proportional to 18,677.25, 25,774.98 and 10,179.34

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Solution

The fourth proportional to 18,677.25, 25,774.98 and 10,179.34 is: 14,047.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677.25 : 25,774.98 = 10,179.34 : x
  2. Step 2: Convert to fraction form
    18,677.25/25,774.98 = 10,179.34/x
  3. Step 3: Cross multiply
    18,677.25x = 25,774.98 × 10,179.34
  4. Step 4: Simplify right side
    18,677.25x = 262,372,182.30
  5. Step 5: Solve for x
    x = 262,372,182.30/18,677.25
  6. Step 6: Final answer
    x = 14,047.69

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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.