Home / 26,586.72-36,702.96-20,604.96

Finding the Fourth Proportional to 26,586.72, 36,702.96 and 20,604.96

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Solution

The fourth proportional to 26,586.72, 36,702.96 and 20,604.96 is: 28,445.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,586.72 : 36,702.96 = 20,604.96 : x
  2. Step 2: Convert to fraction form
    26,586.72/36,702.96 = 20,604.96/x
  3. Step 3: Cross multiply
    26,586.72x = 36,702.96 × 20,604.96
  4. Step 4: Simplify right side
    26,586.72x = 756,263,022.68
  5. Step 5: Solve for x
    x = 756,263,022.68/26,586.72
  6. Step 6: Final answer
    x = 28,445.14

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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.