Home / 14,674.82-20,251.22-7,960.43

Finding the Fourth Proportional to 14,674.82, 20,251.22 and 7,960.43

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Solution

The fourth proportional to 14,674.82, 20,251.22 and 7,960.43 is: 10,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,674.82 : 20,251.22 = 7,960.43 : x
  2. Step 2: Convert to fraction form
    14,674.82/20,251.22 = 7,960.43/x
  3. Step 3: Cross multiply
    14,674.82x = 20,251.22 × 7,960.43
  4. Step 4: Simplify right side
    14,674.82x = 161,208,278.17
  5. Step 5: Solve for x
    x = 161,208,278.17/14,674.82
  6. Step 6: Final answer
    x = 10,985.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.