Home / 22,006.21-30,342.99-16,040.56

Finding the Fourth Proportional to 22,006.21, 30,342.99 and 16,040.56

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Solution

The fourth proportional to 22,006.21, 30,342.99 and 16,040.56 is: 22,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,006.21 : 30,342.99 = 16,040.56 : x
  2. Step 2: Convert to fraction form
    22,006.21/30,342.99 = 16,040.56/x
  3. Step 3: Cross multiply
    22,006.21x = 30,342.99 × 16,040.56
  4. Step 4: Simplify right side
    22,006.21x = 486,718,551.67
  5. Step 5: Solve for x
    x = 486,718,551.67/22,006.21
  6. Step 6: Final answer
    x = 22,117.33

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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.