Home / 19,760.85-27,270.68-11,264.25

Finding the Fourth Proportional to 19,760.85, 27,270.68 and 11,264.25

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Solution

The fourth proportional to 19,760.85, 27,270.68 and 11,264.25 is: 15,545.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.85 : 27,270.68 = 11,264.25 : x
  2. Step 2: Convert to fraction form
    19,760.85/27,270.68 = 11,264.25/x
  3. Step 3: Cross multiply
    19,760.85x = 27,270.68 × 11,264.25
  4. Step 4: Simplify right side
    19,760.85x = 307,183,803.13
  5. Step 5: Solve for x
    x = 307,183,803.13/19,760.85
  6. Step 6: Final answer
    x = 15,545.07

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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.