Home / 19,626.76-27,078.92-11,127.52

Finding the Fourth Proportional to 19,626.76, 27,078.92 and 11,127.52

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Solution

The fourth proportional to 19,626.76, 27,078.92 and 11,127.52 is: 15,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,626.76 : 27,078.92 = 11,127.52 : x
  2. Step 2: Convert to fraction form
    19,626.76/27,078.92 = 11,127.52/x
  3. Step 3: Cross multiply
    19,626.76x = 27,078.92 × 11,127.52
  4. Step 4: Simplify right side
    19,626.76x = 301,321,223.88
  5. Step 5: Solve for x
    x = 301,321,223.88/19,626.76
  6. Step 6: Final answer
    x = 15,352.57

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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.