Home / 26,340.52-39,511.50-8,809.72

Finding the Fourth Proportional to 26,340.52, 39,511.50 and 8,809.72

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Solution

The fourth proportional to 26,340.52, 39,511.50 and 8,809.72 is: 13,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,340.52 : 39,511.50 = 8,809.72 : x
  2. Step 2: Convert to fraction form
    26,340.52/39,511.50 = 8,809.72/x
  3. Step 3: Cross multiply
    26,340.52x = 39,511.50 × 8,809.72
  4. Step 4: Simplify right side
    26,340.52x = 348,085,251.78
  5. Step 5: Solve for x
    x = 348,085,251.78/26,340.52
  6. Step 6: Final answer
    x = 13,214.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.