Home / 13,174.03-19,753.75-5,388.31

Finding the Fourth Proportional to 13,174.03, 19,753.75 and 5,388.31

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Solution

The fourth proportional to 13,174.03, 19,753.75 and 5,388.31 is: 8,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.03 : 19,753.75 = 5,388.31 : x
  2. Step 2: Convert to fraction form
    13,174.03/19,753.75 = 5,388.31/x
  3. Step 3: Cross multiply
    13,174.03x = 19,753.75 × 5,388.31
  4. Step 4: Simplify right side
    13,174.03x = 106,439,328.66
  5. Step 5: Solve for x
    x = 106,439,328.66/13,174.03
  6. Step 6: Final answer
    x = 8,079.48

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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.