Home / 14,115.74-21,174.08-5,351.27

Finding the Fourth Proportional to 14,115.74, 21,174.08 and 5,351.27

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Solution

The fourth proportional to 14,115.74, 21,174.08 and 5,351.27 is: 8,027.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.74 : 21,174.08 = 5,351.27 : x
  2. Step 2: Convert to fraction form
    14,115.74/21,174.08 = 5,351.27/x
  3. Step 3: Cross multiply
    14,115.74x = 21,174.08 × 5,351.27
  4. Step 4: Simplify right side
    14,115.74x = 113,308,086.45
  5. Step 5: Solve for x
    x = 113,308,086.45/14,115.74
  6. Step 6: Final answer
    x = 8,027.08

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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.