Home / 22,122.40-33,183.60-10,458.40

Finding the Fourth Proportional to 22,122.40, 33,183.60 and 10,458.40

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Solution

The fourth proportional to 22,122.40, 33,183.60 and 10,458.40 is: 15,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.40 : 33,183.60 = 10,458.40 : x
  2. Step 2: Convert to fraction form
    22,122.40/33,183.60 = 10,458.40/x
  3. Step 3: Cross multiply
    22,122.40x = 33,183.60 × 10,458.40
  4. Step 4: Simplify right side
    22,122.40x = 347,047,362.24
  5. Step 5: Solve for x
    x = 347,047,362.24/22,122.40
  6. Step 6: Final answer
    x = 15,687.60

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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.