Home / 21,496.13-32,231.23-9,647.75

Finding the Fourth Proportional to 21,496.13, 32,231.23 and 9,647.75

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Solution

The fourth proportional to 21,496.13, 32,231.23 and 9,647.75 is: 14,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496.13 : 32,231.23 = 9,647.75 : x
  2. Step 2: Convert to fraction form
    21,496.13/32,231.23 = 9,647.75/x
  3. Step 3: Cross multiply
    21,496.13x = 32,231.23 × 9,647.75
  4. Step 4: Simplify right side
    21,496.13x = 310,958,849.23
  5. Step 5: Solve for x
    x = 310,958,849.23/21,496.13
  6. Step 6: Final answer
    x = 14,465.81

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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.