Home / 14,982.90-22,467.81-7,961.22

Finding the Fourth Proportional to 14,982.90, 22,467.81 and 7,961.22

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Solution

The fourth proportional to 14,982.90, 22,467.81 and 7,961.22 is: 11,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.90 : 22,467.81 = 7,961.22 : x
  2. Step 2: Convert to fraction form
    14,982.90/22,467.81 = 7,961.22/x
  3. Step 3: Cross multiply
    14,982.90x = 22,467.81 × 7,961.22
  4. Step 4: Simplify right side
    14,982.90x = 178,871,065.99
  5. Step 5: Solve for x
    x = 178,871,065.99/14,982.90
  6. Step 6: Final answer
    x = 11,938.35

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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.