Home / 21,727.72-32,590.88-6,937.56

Finding the Fourth Proportional to 21,727.72, 32,590.88 and 6,937.56

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Solution

The fourth proportional to 21,727.72, 32,590.88 and 6,937.56 is: 10,406.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,727.72 : 32,590.88 = 6,937.56 : x
  2. Step 2: Convert to fraction form
    21,727.72/32,590.88 = 6,937.56/x
  3. Step 3: Cross multiply
    21,727.72x = 32,590.88 × 6,937.56
  4. Step 4: Simplify right side
    21,727.72x = 226,101,185.45
  5. Step 5: Solve for x
    x = 226,101,185.45/21,727.72
  6. Step 6: Final answer
    x = 10,406.12

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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.