Home / 26,633.28-36,742.76-18,680.70

Finding the Fourth Proportional to 26,633.28, 36,742.76 and 18,680.70

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Solution

The fourth proportional to 26,633.28, 36,742.76 and 18,680.70 is: 25,771.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,633.28 : 36,742.76 = 18,680.70 : x
  2. Step 2: Convert to fraction form
    26,633.28/36,742.76 = 18,680.70/x
  3. Step 3: Cross multiply
    26,633.28x = 36,742.76 × 18,680.70
  4. Step 4: Simplify right side
    26,633.28x = 686,380,591.17
  5. Step 5: Solve for x
    x = 686,380,591.17/26,633.28
  6. Step 6: Final answer
    x = 25,771.53

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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.