Home / 22,208.76-33,319.62-7,428.06

Finding the Fourth Proportional to 22,208.76, 33,319.62 and 7,428.06

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Solution

The fourth proportional to 22,208.76, 33,319.62 and 7,428.06 is: 11,144.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.76 : 33,319.62 = 7,428.06 : x
  2. Step 2: Convert to fraction form
    22,208.76/33,319.62 = 7,428.06/x
  3. Step 3: Cross multiply
    22,208.76x = 33,319.62 × 7,428.06
  4. Step 4: Simplify right side
    22,208.76x = 247,500,136.54
  5. Step 5: Solve for x
    x = 247,500,136.54/22,208.76
  6. Step 6: Final answer
    x = 11,144.26

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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.