Home / 22,008.66-30,371.35-12,577.21

Finding the Fourth Proportional to 22,008.66, 30,371.35 and 12,577.21

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Solution

The fourth proportional to 22,008.66, 30,371.35 and 12,577.21 is: 17,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.66 : 30,371.35 = 12,577.21 : x
  2. Step 2: Convert to fraction form
    22,008.66/30,371.35 = 12,577.21/x
  3. Step 3: Cross multiply
    22,008.66x = 30,371.35 × 12,577.21
  4. Step 4: Simplify right side
    22,008.66x = 381,986,846.93
  5. Step 5: Solve for x
    x = 381,986,846.93/22,008.66
  6. Step 6: Final answer
    x = 17,356.21

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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.