Home / 19,221.92-28,831.04-6,074

Finding the Fourth Proportional to 19,221.92, 28,831.04 and 6,074

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Solution

The fourth proportional to 19,221.92, 28,831.04 and 6,074 is: 9,110.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.92 : 28,831.04 = 6,074 : x
  2. Step 2: Convert to fraction form
    19,221.92/28,831.04 = 6,074/x
  3. Step 3: Cross multiply
    19,221.92x = 28,831.04 × 6,074
  4. Step 4: Simplify right side
    19,221.92x = 175,119,736.96
  5. Step 5: Solve for x
    x = 175,119,736.96/19,221.92
  6. Step 6: Final answer
    x = 9,110.42

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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.