Home / 14,021.10-21,032.56-5,255.48

Finding the Fourth Proportional to 14,021.10, 21,032.56 and 5,255.48

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Solution

The fourth proportional to 14,021.10, 21,032.56 and 5,255.48 is: 7,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.10 : 21,032.56 = 5,255.48 : x
  2. Step 2: Convert to fraction form
    14,021.10/21,032.56 = 5,255.48/x
  3. Step 3: Cross multiply
    14,021.10x = 21,032.56 × 5,255.48
  4. Step 4: Simplify right side
    14,021.10x = 110,536,257.58
  5. Step 5: Solve for x
    x = 110,536,257.58/14,021.10
  6. Step 6: Final answer
    x = 7,883.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.