Home / 16,531.05-22,812.22-8,977.22

Finding the Fourth Proportional to 16,531.05, 22,812.22 and 8,977.22

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Solution

The fourth proportional to 16,531.05, 22,812.22 and 8,977.22 is: 12,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,531.05 : 22,812.22 = 8,977.22 : x
  2. Step 2: Convert to fraction form
    16,531.05/22,812.22 = 8,977.22/x
  3. Step 3: Cross multiply
    16,531.05x = 22,812.22 × 8,977.22
  4. Step 4: Simplify right side
    16,531.05x = 204,790,317.63
  5. Step 5: Solve for x
    x = 204,790,317.63/16,531.05
  6. Step 6: Final answer
    x = 12,388.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.