Home / 16,531.55-22,813.30-9,361.28

Finding the Fourth Proportional to 16,531.55, 22,813.30 and 9,361.28

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Solution

The fourth proportional to 16,531.55, 22,813.30 and 9,361.28 is: 12,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,531.55 : 22,813.30 = 9,361.28 : x
  2. Step 2: Convert to fraction form
    16,531.55/22,813.30 = 9,361.28/x
  3. Step 3: Cross multiply
    16,531.55x = 22,813.30 × 9,361.28
  4. Step 4: Simplify right side
    16,531.55x = 213,561,722.65
  5. Step 5: Solve for x
    x = 213,561,722.65/16,531.55
  6. Step 6: Final answer
    x = 12,918.43

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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.