Home / 19,776.26-27,301.11-11,391.14

Finding the Fourth Proportional to 19,776.26, 27,301.11 and 11,391.14

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Solution

The fourth proportional to 19,776.26, 27,301.11 and 11,391.14 is: 15,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776.26 : 27,301.11 = 11,391.14 : x
  2. Step 2: Convert to fraction form
    19,776.26/27,301.11 = 11,391.14/x
  3. Step 3: Cross multiply
    19,776.26x = 27,301.11 × 11,391.14
  4. Step 4: Simplify right side
    19,776.26x = 310,990,766.17
  5. Step 5: Solve for x
    x = 310,990,766.17/19,776.26
  6. Step 6: Final answer
    x = 15,725.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.