Home / 19,831.83-29,747.10-7,351.56

Finding the Fourth Proportional to 19,831.83, 29,747.10 and 7,351.56

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Solution

The fourth proportional to 19,831.83, 29,747.10 and 7,351.56 is: 11,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.83 : 29,747.10 = 7,351.56 : x
  2. Step 2: Convert to fraction form
    19,831.83/29,747.10 = 7,351.56/x
  3. Step 3: Cross multiply
    19,831.83x = 29,747.10 × 7,351.56
  4. Step 4: Simplify right side
    19,831.83x = 218,687,590.48
  5. Step 5: Solve for x
    x = 218,687,590.48/19,831.83
  6. Step 6: Final answer
    x = 11,027.10

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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.