Home / 22,123.12-33,165.60-10,428.16

Finding the Fourth Proportional to 22,123.12, 33,165.60 and 10,428.16

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Solution

The fourth proportional to 22,123.12, 33,165.60 and 10,428.16 is: 15,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,123.12 : 33,165.60 = 10,428.16 : x
  2. Step 2: Convert to fraction form
    22,123.12/33,165.60 = 10,428.16/x
  3. Step 3: Cross multiply
    22,123.12x = 33,165.60 × 10,428.16
  4. Step 4: Simplify right side
    22,123.12x = 345,856,183.30
  5. Step 5: Solve for x
    x = 345,856,183.30/22,123.12
  6. Step 6: Final answer
    x = 15,633.25

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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.