Home / 22,008.45-30,371.12-12,576.41

Finding the Fourth Proportional to 22,008.45, 30,371.12 and 12,576.41

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Solution

The fourth proportional to 22,008.45, 30,371.12 and 12,576.41 is: 17,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.45 : 30,371.12 = 12,576.41 : x
  2. Step 2: Convert to fraction form
    22,008.45/30,371.12 = 12,576.41/x
  3. Step 3: Cross multiply
    22,008.45x = 30,371.12 × 12,576.41
  4. Step 4: Simplify right side
    22,008.45x = 381,959,657.28
  5. Step 5: Solve for x
    x = 381,959,657.28/22,008.45
  6. Step 6: Final answer
    x = 17,355.14

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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.