Home / 22,885.88-31,583.09-12,816.44

Finding the Fourth Proportional to 22,885.88, 31,583.09 and 12,816.44

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Solution

The fourth proportional to 22,885.88, 31,583.09 and 12,816.44 is: 17,687.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,885.88 : 31,583.09 = 12,816.44 : x
  2. Step 2: Convert to fraction form
    22,885.88/31,583.09 = 12,816.44/x
  3. Step 3: Cross multiply
    22,885.88x = 31,583.09 × 12,816.44
  4. Step 4: Simplify right side
    22,885.88x = 404,782,889.00
  5. Step 5: Solve for x
    x = 404,782,889.00/22,885.88
  6. Step 6: Final answer
    x = 17,687.02

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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.