Home / 25,203.31-34,774.63-21,185.41

Finding the Fourth Proportional to 25,203.31, 34,774.63 and 21,185.41

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Solution

The fourth proportional to 25,203.31, 34,774.63 and 21,185.41 is: 29,230.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,203.31 : 34,774.63 = 21,185.41 : x
  2. Step 2: Convert to fraction form
    25,203.31/34,774.63 = 21,185.41/x
  3. Step 3: Cross multiply
    25,203.31x = 34,774.63 × 21,185.41
  4. Step 4: Simplify right side
    25,203.31x = 736,714,794.15
  5. Step 5: Solve for x
    x = 736,714,794.15/25,203.31
  6. Step 6: Final answer
    x = 29,230.87

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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.