Home / 26,691.31-36,833.81-15,363.03

Finding the Fourth Proportional to 26,691.31, 36,833.81 and 15,363.03

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Solution

The fourth proportional to 26,691.31, 36,833.81 and 15,363.03 is: 21,200.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,691.31 : 36,833.81 = 15,363.03 : x
  2. Step 2: Convert to fraction form
    26,691.31/36,833.81 = 15,363.03/x
  3. Step 3: Cross multiply
    26,691.31x = 36,833.81 × 15,363.03
  4. Step 4: Simplify right side
    26,691.31x = 565,878,928.04
  5. Step 5: Solve for x
    x = 565,878,928.04/26,691.31
  6. Step 6: Final answer
    x = 21,200.87

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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.