Home / 26,520.96-36,589.82-16,445.78

Finding the Fourth Proportional to 26,520.96, 36,589.82 and 16,445.78

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Solution

The fourth proportional to 26,520.96, 36,589.82 and 16,445.78 is: 22,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,520.96 : 36,589.82 = 16,445.78 : x
  2. Step 2: Convert to fraction form
    26,520.96/36,589.82 = 16,445.78/x
  3. Step 3: Cross multiply
    26,520.96x = 36,589.82 × 16,445.78
  4. Step 4: Simplify right side
    26,520.96x = 601,748,129.96
  5. Step 5: Solve for x
    x = 601,748,129.96/26,520.96
  6. Step 6: Final answer
    x = 22,689.53

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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.