Home / 26,509.94-39,763.98-6,788.66

Finding the Fourth Proportional to 26,509.94, 39,763.98 and 6,788.66

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Solution

The fourth proportional to 26,509.94, 39,763.98 and 6,788.66 is: 10,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,509.94 : 39,763.98 = 6,788.66 : x
  2. Step 2: Convert to fraction form
    26,509.94/39,763.98 = 6,788.66/x
  3. Step 3: Cross multiply
    26,509.94x = 39,763.98 × 6,788.66
  4. Step 4: Simplify right side
    26,509.94x = 269,944,140.47
  5. Step 5: Solve for x
    x = 269,944,140.47/26,509.94
  6. Step 6: Final answer
    x = 10,182.75

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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.