Home / 26,805.94-40,211.64-9,275.72

Finding the Fourth Proportional to 26,805.94, 40,211.64 and 9,275.72

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Solution

The fourth proportional to 26,805.94, 40,211.64 and 9,275.72 is: 13,914.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,805.94 : 40,211.64 = 9,275.72 : x
  2. Step 2: Convert to fraction form
    26,805.94/40,211.64 = 9,275.72/x
  3. Step 3: Cross multiply
    26,805.94x = 40,211.64 × 9,275.72
  4. Step 4: Simplify right side
    26,805.94x = 372,991,712.32
  5. Step 5: Solve for x
    x = 372,991,712.32/26,805.94
  6. Step 6: Final answer
    x = 13,914.52

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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.