Home / 22,861.88-31,554.34-13,912.27

Finding the Fourth Proportional to 22,861.88, 31,554.34 and 13,912.27

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Solution

The fourth proportional to 22,861.88, 31,554.34 and 13,912.27 is: 19,201.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,861.88 : 31,554.34 = 13,912.27 : x
  2. Step 2: Convert to fraction form
    22,861.88/31,554.34 = 13,912.27/x
  3. Step 3: Cross multiply
    22,861.88x = 31,554.34 × 13,912.27
  4. Step 4: Simplify right side
    22,861.88x = 438,992,384.09
  5. Step 5: Solve for x
    x = 438,992,384.09/22,861.88
  6. Step 6: Final answer
    x = 19,201.93

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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.