Home / 22,226.28-33,325.34-11,129.96

Finding the Fourth Proportional to 22,226.28, 33,325.34 and 11,129.96

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Solution

The fourth proportional to 22,226.28, 33,325.34 and 11,129.96 is: 16,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,226.28 : 33,325.34 = 11,129.96 : x
  2. Step 2: Convert to fraction form
    22,226.28/33,325.34 = 11,129.96/x
  3. Step 3: Cross multiply
    22,226.28x = 33,325.34 × 11,129.96
  4. Step 4: Simplify right side
    22,226.28x = 370,909,701.19
  5. Step 5: Solve for x
    x = 370,909,701.19/22,226.28
  6. Step 6: Final answer
    x = 16,687.89

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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.