Home / 26,854.43-40,278.81-7,134.98

Finding the Fourth Proportional to 26,854.43, 40,278.81 and 7,134.98

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Solution

The fourth proportional to 26,854.43, 40,278.81 and 7,134.98 is: 10,701.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,854.43 : 40,278.81 = 7,134.98 : x
  2. Step 2: Convert to fraction form
    26,854.43/40,278.81 = 7,134.98/x
  3. Step 3: Cross multiply
    26,854.43x = 40,278.81 × 7,134.98
  4. Step 4: Simplify right side
    26,854.43x = 287,388,503.77
  5. Step 5: Solve for x
    x = 287,388,503.77/26,854.43
  6. Step 6: Final answer
    x = 10,701.72

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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.