Home / 14,114.16-21,179.44-5,349.76

Finding the Fourth Proportional to 14,114.16, 21,179.44 and 5,349.76

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Solution

The fourth proportional to 14,114.16, 21,179.44 and 5,349.76 is: 8,027.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.16 : 21,179.44 = 5,349.76 : x
  2. Step 2: Convert to fraction form
    14,114.16/21,179.44 = 5,349.76/x
  3. Step 3: Cross multiply
    14,114.16x = 21,179.44 × 5,349.76
  4. Step 4: Simplify right side
    14,114.16x = 113,304,920.93
  5. Step 5: Solve for x
    x = 113,304,920.93/14,114.16
  6. Step 6: Final answer
    x = 8,027.75

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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.