Home / 22,138.91-33,216.30-9,483.36

Finding the Fourth Proportional to 22,138.91, 33,216.30 and 9,483.36

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Solution

The fourth proportional to 22,138.91, 33,216.30 and 9,483.36 is: 14,228.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.91 : 33,216.30 = 9,483.36 : x
  2. Step 2: Convert to fraction form
    22,138.91/33,216.30 = 9,483.36/x
  3. Step 3: Cross multiply
    22,138.91x = 33,216.30 × 9,483.36
  4. Step 4: Simplify right side
    22,138.91x = 315,002,130.77
  5. Step 5: Solve for x
    x = 315,002,130.77/22,138.91
  6. Step 6: Final answer
    x = 14,228.44

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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.