Home / 21,958.46-32,938.61-6,376.09

Finding the Fourth Proportional to 21,958.46, 32,938.61 and 6,376.09

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Solution

The fourth proportional to 21,958.46, 32,938.61 and 6,376.09 is: 9,564.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,958.46 : 32,938.61 = 6,376.09 : x
  2. Step 2: Convert to fraction form
    21,958.46/32,938.61 = 6,376.09/x
  3. Step 3: Cross multiply
    21,958.46x = 32,938.61 × 6,376.09
  4. Step 4: Simplify right side
    21,958.46x = 210,019,345.26
  5. Step 5: Solve for x
    x = 210,019,345.26/21,958.46
  6. Step 6: Final answer
    x = 9,564.39

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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.