Home / 22,230.72-33,342.60-7,439.52

Finding the Fourth Proportional to 22,230.72, 33,342.60 and 7,439.52

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Solution

The fourth proportional to 22,230.72, 33,342.60 and 7,439.52 is: 11,158.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,230.72 : 33,342.60 = 7,439.52 : x
  2. Step 2: Convert to fraction form
    22,230.72/33,342.60 = 7,439.52/x
  3. Step 3: Cross multiply
    22,230.72x = 33,342.60 × 7,439.52
  4. Step 4: Simplify right side
    22,230.72x = 248,052,939.55
  5. Step 5: Solve for x
    x = 248,052,939.55/22,230.72
  6. Step 6: Final answer
    x = 11,158.12

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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.