Home / 25,831.92-38,746.52-8,300.39

Finding the Fourth Proportional to 25,831.92, 38,746.52 and 8,300.39

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Solution

The fourth proportional to 25,831.92, 38,746.52 and 8,300.39 is: 12,450.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,831.92 : 38,746.52 = 8,300.39 : x
  2. Step 2: Convert to fraction form
    25,831.92/38,746.52 = 8,300.39/x
  3. Step 3: Cross multiply
    25,831.92x = 38,746.52 × 8,300.39
  4. Step 4: Simplify right side
    25,831.92x = 321,610,991.91
  5. Step 5: Solve for x
    x = 321,610,991.91/25,831.92
  6. Step 6: Final answer
    x = 12,450.14

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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.