Home / 22,891.46-31,577.31-13,330.22

Finding the Fourth Proportional to 22,891.46, 31,577.31 and 13,330.22

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Solution

The fourth proportional to 22,891.46, 31,577.31 and 13,330.22 is: 18,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,891.46 : 31,577.31 = 13,330.22 : x
  2. Step 2: Convert to fraction form
    22,891.46/31,577.31 = 13,330.22/x
  3. Step 3: Cross multiply
    22,891.46x = 31,577.31 × 13,330.22
  4. Step 4: Simplify right side
    22,891.46x = 420,932,331.42
  5. Step 5: Solve for x
    x = 420,932,331.42/22,891.46
  6. Step 6: Final answer
    x = 18,388.19

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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.