Home / 22,010.13-33,017.96-7,220.54

Finding the Fourth Proportional to 22,010.13, 33,017.96 and 7,220.54

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Solution

The fourth proportional to 22,010.13, 33,017.96 and 7,220.54 is: 10,831.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,010.13 : 33,017.96 = 7,220.54 : x
  2. Step 2: Convert to fraction form
    22,010.13/33,017.96 = 7,220.54/x
  3. Step 3: Cross multiply
    22,010.13x = 33,017.96 × 7,220.54
  4. Step 4: Simplify right side
    22,010.13x = 238,407,601.49
  5. Step 5: Solve for x
    x = 238,407,601.49/22,010.13
  6. Step 6: Final answer
    x = 10,831.72

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1.5x scale

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.