Home / 21,914.88-30,252.06-16,877.22

Finding the Fourth Proportional to 21,914.88, 30,252.06 and 16,877.22

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Solution

The fourth proportional to 21,914.88, 30,252.06 and 16,877.22 is: 23,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,914.88 : 30,252.06 = 16,877.22 : x
  2. Step 2: Convert to fraction form
    21,914.88/30,252.06 = 16,877.22/x
  3. Step 3: Cross multiply
    21,914.88x = 30,252.06 × 16,877.22
  4. Step 4: Simplify right side
    21,914.88x = 510,570,672.07
  5. Step 5: Solve for x
    x = 510,570,672.07/21,914.88
  6. Step 6: Final answer
    x = 23,297.90

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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.