Home / 25,021.56-34,529.22-13,691.01

Finding the Fourth Proportional to 25,021.56, 34,529.22 and 13,691.01

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Solution

The fourth proportional to 25,021.56, 34,529.22 and 13,691.01 is: 18,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,021.56 : 34,529.22 = 13,691.01 : x
  2. Step 2: Convert to fraction form
    25,021.56/34,529.22 = 13,691.01/x
  3. Step 3: Cross multiply
    25,021.56x = 34,529.22 × 13,691.01
  4. Step 4: Simplify right side
    25,021.56x = 472,739,896.31
  5. Step 5: Solve for x
    x = 472,739,896.31/25,021.56
  6. Step 6: Final answer
    x = 18,893.30

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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.