Home / 22,271.70-33,395.40-9,109.20

Finding the Fourth Proportional to 22,271.70, 33,395.40 and 9,109.20

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Solution

The fourth proportional to 22,271.70, 33,395.40 and 9,109.20 is: 13,658.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,271.70 : 33,395.40 = 9,109.20 : x
  2. Step 2: Convert to fraction form
    22,271.70/33,395.40 = 9,109.20/x
  3. Step 3: Cross multiply
    22,271.70x = 33,395.40 × 9,109.20
  4. Step 4: Simplify right side
    22,271.70x = 304,205,377.68
  5. Step 5: Solve for x
    x = 304,205,377.68/22,271.70
  6. Step 6: Final answer
    x = 13,658.83

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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.