Home / 22,422.05-30,954.86-13,471.75

Finding the Fourth Proportional to 22,422.05, 30,954.86 and 13,471.75

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Solution

The fourth proportional to 22,422.05, 30,954.86 and 13,471.75 is: 18,598.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.05 : 30,954.86 = 13,471.75 : x
  2. Step 2: Convert to fraction form
    22,422.05/30,954.86 = 13,471.75/x
  3. Step 3: Cross multiply
    22,422.05x = 30,954.86 × 13,471.75
  4. Step 4: Simplify right side
    22,422.05x = 417,016,135.21
  5. Step 5: Solve for x
    x = 417,016,135.21/22,422.05
  6. Step 6: Final answer
    x = 18,598.48

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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.