Home / 26,143.77-39,216.57-8,374.97

Finding the Fourth Proportional to 26,143.77, 39,216.57 and 8,374.97

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Solution

The fourth proportional to 26,143.77, 39,216.57 and 8,374.97 is: 12,562.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.77 : 39,216.57 = 8,374.97 : x
  2. Step 2: Convert to fraction form
    26,143.77/39,216.57 = 8,374.97/x
  3. Step 3: Cross multiply
    26,143.77x = 39,216.57 × 8,374.97
  4. Step 4: Simplify right side
    26,143.77x = 328,437,597.25
  5. Step 5: Solve for x
    x = 328,437,597.25/26,143.77
  6. Step 6: Final answer
    x = 12,562.75

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1.5x scale

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.