Home / 26,608.85-39,876.21-13,445.86

Finding the Fourth Proportional to 26,608.85, 39,876.21 and 13,445.86

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Solution

The fourth proportional to 26,608.85, 39,876.21 and 13,445.86 is: 20,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,608.85 : 39,876.21 = 13,445.86 : x
  2. Step 2: Convert to fraction form
    26,608.85/39,876.21 = 13,445.86/x
  3. Step 3: Cross multiply
    26,608.85x = 39,876.21 × 13,445.86
  4. Step 4: Simplify right side
    26,608.85x = 536,169,837.30
  5. Step 5: Solve for x
    x = 536,169,837.30/26,608.85
  6. Step 6: Final answer
    x = 20,150.05

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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.