Home / 14,449.56-21,666.12-5,679.68

Finding the Fourth Proportional to 14,449.56, 21,666.12 and 5,679.68

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Solution

The fourth proportional to 14,449.56, 21,666.12 and 5,679.68 is: 8,516.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.56 : 21,666.12 = 5,679.68 : x
  2. Step 2: Convert to fraction form
    14,449.56/21,666.12 = 5,679.68/x
  3. Step 3: Cross multiply
    14,449.56x = 21,666.12 × 5,679.68
  4. Step 4: Simplify right side
    14,449.56x = 123,056,628.44
  5. Step 5: Solve for x
    x = 123,056,628.44/14,449.56
  6. Step 6: Final answer
    x = 8,516.29

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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.