Home / 26,339.20-36,345.11-15,584.40

Finding the Fourth Proportional to 26,339.20, 36,345.11 and 15,584.40

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Solution

The fourth proportional to 26,339.20, 36,345.11 and 15,584.40 is: 21,504.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,339.20 : 36,345.11 = 15,584.40 : x
  2. Step 2: Convert to fraction form
    26,339.20/36,345.11 = 15,584.40/x
  3. Step 3: Cross multiply
    26,339.20x = 36,345.11 × 15,584.40
  4. Step 4: Simplify right side
    26,339.20x = 566,416,732.28
  5. Step 5: Solve for x
    x = 566,416,732.28/26,339.20
  6. Step 6: Final answer
    x = 21,504.71

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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.