Home / 51,227.14-76,831.34-13,778.44

Finding the Fourth Proportional to 51,227.14, 76,831.34 and 13,778.44

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Solution

The fourth proportional to 51,227.14, 76,831.34 and 13,778.44 is: 20,665.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,227.14 : 76,831.34 = 13,778.44 : x
  2. Step 2: Convert to fraction form
    51,227.14/76,831.34 = 13,778.44/x
  3. Step 3: Cross multiply
    51,227.14x = 76,831.34 × 13,778.44
  4. Step 4: Simplify right side
    51,227.14x = 1,058,616,008.31
  5. Step 5: Solve for x
    x = 1,058,616,008.31/51,227.14
  6. Step 6: Final answer
    x = 20,665.14

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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.