Home / 16,822.98-25,233.48-5,135.28

Finding the Fourth Proportional to 16,822.98, 25,233.48 and 5,135.28

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Solution

The fourth proportional to 16,822.98, 25,233.48 and 5,135.28 is: 7,702.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,822.98 : 25,233.48 = 5,135.28 : x
  2. Step 2: Convert to fraction form
    16,822.98/25,233.48 = 5,135.28/x
  3. Step 3: Cross multiply
    16,822.98x = 25,233.48 × 5,135.28
  4. Step 4: Simplify right side
    16,822.98x = 129,580,985.17
  5. Step 5: Solve for x
    x = 129,580,985.17/16,822.98
  6. Step 6: Final answer
    x = 7,702.62

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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.