Home / 21,650.43-32,476.55-6,859.02

Finding the Fourth Proportional to 21,650.43, 32,476.55 and 6,859.02

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Solution

The fourth proportional to 21,650.43, 32,476.55 and 6,859.02 is: 10,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,650.43 : 32,476.55 = 6,859.02 : x
  2. Step 2: Convert to fraction form
    21,650.43/32,476.55 = 6,859.02/x
  3. Step 3: Cross multiply
    21,650.43x = 32,476.55 × 6,859.02
  4. Step 4: Simplify right side
    21,650.43x = 222,757,271.69
  5. Step 5: Solve for x
    x = 222,757,271.69/21,650.43
  6. Step 6: Final answer
    x = 10,288.82

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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.