Home / 19,760.93-27,270.84-11,264.39

Finding the Fourth Proportional to 19,760.93, 27,270.84 and 11,264.39

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Solution

The fourth proportional to 19,760.93, 27,270.84 and 11,264.39 is: 15,545.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.93 : 27,270.84 = 11,264.39 : x
  2. Step 2: Convert to fraction form
    19,760.93/27,270.84 = 11,264.39/x
  3. Step 3: Cross multiply
    19,760.93x = 27,270.84 × 11,264.39
  4. Step 4: Simplify right side
    19,760.93x = 307,189,487.81
  5. Step 5: Solve for x
    x = 307,189,487.81/19,760.93
  6. Step 6: Final answer
    x = 15,545.29

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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.