Home / 25,831.14-38,743.03-8,298.70

Finding the Fourth Proportional to 25,831.14, 38,743.03 and 8,298.70

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Solution

The fourth proportional to 25,831.14, 38,743.03 and 8,298.70 is: 12,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,831.14 : 38,743.03 = 8,298.70 : x
  2. Step 2: Convert to fraction form
    25,831.14/38,743.03 = 8,298.70/x
  3. Step 3: Cross multiply
    25,831.14x = 38,743.03 × 8,298.70
  4. Step 4: Simplify right side
    25,831.14x = 321,516,783.06
  5. Step 5: Solve for x
    x = 321,516,783.06/25,831.14
  6. Step 6: Final answer
    x = 12,446.87

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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.