Home / 22,270.81-33,408.95-7,277.57

Finding the Fourth Proportional to 22,270.81, 33,408.95 and 7,277.57

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Solution

The fourth proportional to 22,270.81, 33,408.95 and 7,277.57 is: 10,917.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.81 : 33,408.95 = 7,277.57 : x
  2. Step 2: Convert to fraction form
    22,270.81/33,408.95 = 7,277.57/x
  3. Step 3: Cross multiply
    22,270.81x = 33,408.95 × 7,277.57
  4. Step 4: Simplify right side
    22,270.81x = 243,135,972.25
  5. Step 5: Solve for x
    x = 243,135,972.25/22,270.81
  6. Step 6: Final answer
    x = 10,917.25

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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.