Home / 16,822.43-25,233.44-5,135.69

Finding the Fourth Proportional to 16,822.43, 25,233.44 and 5,135.69

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Solution

The fourth proportional to 16,822.43, 25,233.44 and 5,135.69 is: 7,703.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,822.43 : 25,233.44 = 5,135.69 : x
  2. Step 2: Convert to fraction form
    16,822.43/25,233.44 = 5,135.69/x
  3. Step 3: Cross multiply
    16,822.43x = 25,233.44 × 5,135.69
  4. Step 4: Simplify right side
    16,822.43x = 129,590,973.63
  5. Step 5: Solve for x
    x = 129,590,973.63/16,822.43
  6. Step 6: Final answer
    x = 7,703.47

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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.