Home / 13,774.16-20,663.90-5,876.54

Finding the Fourth Proportional to 13,774.16, 20,663.90 and 5,876.54

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Solution

The fourth proportional to 13,774.16, 20,663.90 and 5,876.54 is: 8,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.16 : 20,663.90 = 5,876.54 : x
  2. Step 2: Convert to fraction form
    13,774.16/20,663.90 = 5,876.54/x
  3. Step 3: Cross multiply
    13,774.16x = 20,663.90 × 5,876.54
  4. Step 4: Simplify right side
    13,774.16x = 121,432,234.91
  5. Step 5: Solve for x
    x = 121,432,234.91/13,774.16
  6. Step 6: Final answer
    x = 8,815.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.