Home / 22,281.70-33,426.60-9,135.40

Finding the Fourth Proportional to 22,281.70, 33,426.60 and 9,135.40

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Solution

The fourth proportional to 22,281.70, 33,426.60 and 9,135.40 is: 13,704.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,281.70 : 33,426.60 = 9,135.40 : x
  2. Step 2: Convert to fraction form
    22,281.70/33,426.60 = 9,135.40/x
  3. Step 3: Cross multiply
    22,281.70x = 33,426.60 × 9,135.40
  4. Step 4: Simplify right side
    22,281.70x = 305,365,361.64
  5. Step 5: Solve for x
    x = 305,365,361.64/22,281.70
  6. Step 6: Final answer
    x = 13,704.76

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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.