Home / 22,285.11-33,420.83-7,489.83

Finding the Fourth Proportional to 22,285.11, 33,420.83 and 7,489.83

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Solution

The fourth proportional to 22,285.11, 33,420.83 and 7,489.83 is: 11,232.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,285.11 : 33,420.83 = 7,489.83 : x
  2. Step 2: Convert to fraction form
    22,285.11/33,420.83 = 7,489.83/x
  3. Step 3: Cross multiply
    22,285.11x = 33,420.83 × 7,489.83
  4. Step 4: Simplify right side
    22,285.11x = 250,316,297.71
  5. Step 5: Solve for x
    x = 250,316,297.71/22,285.11
  6. Step 6: Final answer
    x = 11,232.45

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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.