Home / 21,831.24-32,753.34-10,151.40

Finding the Fourth Proportional to 21,831.24, 32,753.34 and 10,151.40

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Solution

The fourth proportional to 21,831.24, 32,753.34 and 10,151.40 is: 15,230.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,831.24 : 32,753.34 = 10,151.40 : x
  2. Step 2: Convert to fraction form
    21,831.24/32,753.34 = 10,151.40/x
  3. Step 3: Cross multiply
    21,831.24x = 32,753.34 × 10,151.40
  4. Step 4: Simplify right side
    21,831.24x = 332,492,255.68
  5. Step 5: Solve for x
    x = 332,492,255.68/21,831.24
  6. Step 6: Final answer
    x = 15,230.11

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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.