Home / 21,736.82-32,589.28-6,937.21

Finding the Fourth Proportional to 21,736.82, 32,589.28 and 6,937.21

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Solution

The fourth proportional to 21,736.82, 32,589.28 and 6,937.21 is: 10,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,736.82 : 32,589.28 = 6,937.21 : x
  2. Step 2: Convert to fraction form
    21,736.82/32,589.28 = 6,937.21/x
  3. Step 3: Cross multiply
    21,736.82x = 32,589.28 × 6,937.21
  4. Step 4: Simplify right side
    21,736.82x = 226,078,679.11
  5. Step 5: Solve for x
    x = 226,078,679.11/21,736.82
  6. Step 6: Final answer
    x = 10,400.72

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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.