Home / 19,174.36-28,724.66-11,757.18

Finding the Fourth Proportional to 19,174.36, 28,724.66 and 11,757.18

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Solution

The fourth proportional to 19,174.36, 28,724.66 and 11,757.18 is: 17,613.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.36 : 28,724.66 = 11,757.18 : x
  2. Step 2: Convert to fraction form
    19,174.36/28,724.66 = 11,757.18/x
  3. Step 3: Cross multiply
    19,174.36x = 28,724.66 × 11,757.18
  4. Step 4: Simplify right side
    19,174.36x = 337,720,998.06
  5. Step 5: Solve for x
    x = 337,720,998.06/19,174.36
  6. Step 6: Final answer
    x = 17,613.16

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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.