Home / 14,124.82-21,201-6,734.38

Finding the Fourth Proportional to 14,124.82, 21,201 and 6,734.38

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Solution

The fourth proportional to 14,124.82, 21,201 and 6,734.38 is: 10,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.82 : 21,201 = 6,734.38 : x
  2. Step 2: Convert to fraction form
    14,124.82/21,201 = 6,734.38/x
  3. Step 3: Cross multiply
    14,124.82x = 21,201 × 6,734.38
  4. Step 4: Simplify right side
    14,124.82x = 142,775,590.38
  5. Step 5: Solve for x
    x = 142,775,590.38/14,124.82
  6. Step 6: Final answer
    x = 10,108.14

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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.