Home / 21,475.13-32,212.69-5,892.75

Finding the Fourth Proportional to 21,475.13, 32,212.69 and 5,892.75

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Solution

The fourth proportional to 21,475.13, 32,212.69 and 5,892.75 is: 8,839.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,475.13 : 32,212.69 = 5,892.75 : x
  2. Step 2: Convert to fraction form
    21,475.13/32,212.69 = 5,892.75/x
  3. Step 3: Cross multiply
    21,475.13x = 32,212.69 × 5,892.75
  4. Step 4: Simplify right side
    21,475.13x = 189,821,314.27
  5. Step 5: Solve for x
    x = 189,821,314.27/21,475.13
  6. Step 6: Final answer
    x = 8,839.13

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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.