Home / 21,786.76-32,670.36-6,200.68

Finding the Fourth Proportional to 21,786.76, 32,670.36 and 6,200.68

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Solution

The fourth proportional to 21,786.76, 32,670.36 and 6,200.68 is: 9,298.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786.76 : 32,670.36 = 6,200.68 : x
  2. Step 2: Convert to fraction form
    21,786.76/32,670.36 = 6,200.68/x
  3. Step 3: Cross multiply
    21,786.76x = 32,670.36 × 6,200.68
  4. Step 4: Simplify right side
    21,786.76x = 202,578,447.84
  5. Step 5: Solve for x
    x = 202,578,447.84/21,786.76
  6. Step 6: Final answer
    x = 9,298.24

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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.