Home / 26,180.04-36,164.70-20,867.88

Finding the Fourth Proportional to 26,180.04, 36,164.70 and 20,867.88

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Solution

The fourth proportional to 26,180.04, 36,164.70 and 20,867.88 is: 28,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,180.04 : 36,164.70 = 20,867.88 : x
  2. Step 2: Convert to fraction form
    26,180.04/36,164.70 = 20,867.88/x
  3. Step 3: Cross multiply
    26,180.04x = 36,164.70 × 20,867.88
  4. Step 4: Simplify right side
    26,180.04x = 754,680,619.84
  5. Step 5: Solve for x
    x = 754,680,619.84/26,180.04
  6. Step 6: Final answer
    x = 28,826.56

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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.