Home / 21,799.19-32,699.09-6,216.81

Finding the Fourth Proportional to 21,799.19, 32,699.09 and 6,216.81

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Solution

The fourth proportional to 21,799.19, 32,699.09 and 6,216.81 is: 9,325.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,799.19 : 32,699.09 = 6,216.81 : x
  2. Step 2: Convert to fraction form
    21,799.19/32,699.09 = 6,216.81/x
  3. Step 3: Cross multiply
    21,799.19x = 32,699.09 × 6,216.81
  4. Step 4: Simplify right side
    21,799.19x = 203,284,103.68
  5. Step 5: Solve for x
    x = 203,284,103.68/21,799.19
  6. Step 6: Final answer
    x = 9,325.31

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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.