Home / 22,103.82-33,156.63-6,521.45

Finding the Fourth Proportional to 22,103.82, 33,156.63 and 6,521.45

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Solution

The fourth proportional to 22,103.82, 33,156.63 and 6,521.45 is: 9,782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,103.82 : 33,156.63 = 6,521.45 : x
  2. Step 2: Convert to fraction form
    22,103.82/33,156.63 = 6,521.45/x
  3. Step 3: Cross multiply
    22,103.82x = 33,156.63 × 6,521.45
  4. Step 4: Simplify right side
    22,103.82x = 216,229,138.93
  5. Step 5: Solve for x
    x = 216,229,138.93/22,103.82
  6. Step 6: Final answer
    x = 9,782.43

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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.