Home / 14,135.16-21,203.33-5,252.82

Finding the Fourth Proportional to 14,135.16, 21,203.33 and 5,252.82

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Solution

The fourth proportional to 14,135.16, 21,203.33 and 5,252.82 is: 7,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.16 : 21,203.33 = 5,252.82 : x
  2. Step 2: Convert to fraction form
    14,135.16/21,203.33 = 5,252.82/x
  3. Step 3: Cross multiply
    14,135.16x = 21,203.33 × 5,252.82
  4. Step 4: Simplify right side
    14,135.16x = 111,377,249.63
  5. Step 5: Solve for x
    x = 111,377,249.63/14,135.16
  6. Step 6: Final answer
    x = 7,879.45

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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.