Home / 22,350.20-33,638.75-16,831.40

Finding the Fourth Proportional to 22,350.20, 33,638.75 and 16,831.40

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Solution

The fourth proportional to 22,350.20, 33,638.75 and 16,831.40 is: 25,332.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,350.20 : 33,638.75 = 16,831.40 : x
  2. Step 2: Convert to fraction form
    22,350.20/33,638.75 = 16,831.40/x
  3. Step 3: Cross multiply
    22,350.20x = 33,638.75 × 16,831.40
  4. Step 4: Simplify right side
    22,350.20x = 566,187,256.75
  5. Step 5: Solve for x
    x = 566,187,256.75/22,350.20
  6. Step 6: Final answer
    x = 25,332.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.