Home / 26,689.32-36,832.68-15,360.54

Finding the Fourth Proportional to 26,689.32, 36,832.68 and 15,360.54

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Solution

The fourth proportional to 26,689.32, 36,832.68 and 15,360.54 is: 21,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.32 : 36,832.68 = 15,360.54 : x
  2. Step 2: Convert to fraction form
    26,689.32/36,832.68 = 15,360.54/x
  3. Step 3: Cross multiply
    26,689.32x = 36,832.68 × 15,360.54
  4. Step 4: Simplify right side
    26,689.32x = 565,769,854.45
  5. Step 5: Solve for x
    x = 565,769,854.45/26,689.32
  6. Step 6: Final answer
    x = 21,198.36

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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.