Home / 16,361.68-22,578.50-9,998.91

Finding the Fourth Proportional to 16,361.68, 22,578.50 and 9,998.91

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Solution

The fourth proportional to 16,361.68, 22,578.50 and 9,998.91 is: 13,798.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,361.68 : 22,578.50 = 9,998.91 : x
  2. Step 2: Convert to fraction form
    16,361.68/22,578.50 = 9,998.91/x
  3. Step 3: Cross multiply
    16,361.68x = 22,578.50 × 9,998.91
  4. Step 4: Simplify right side
    16,361.68x = 225,760,339.44
  5. Step 5: Solve for x
    x = 225,760,339.44/16,361.68
  6. Step 6: Final answer
    x = 13,798.12

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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.