Home / 14,612.27-21,918.36-3,518.93

Finding the Fourth Proportional to 14,612.27, 21,918.36 and 3,518.93

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Solution

The fourth proportional to 14,612.27, 21,918.36 and 3,518.93 is: 5,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.27 : 21,918.36 = 3,518.93 : x
  2. Step 2: Convert to fraction form
    14,612.27/21,918.36 = 3,518.93/x
  3. Step 3: Cross multiply
    14,612.27x = 21,918.36 × 3,518.93
  4. Step 4: Simplify right side
    14,612.27x = 77,129,229.35
  5. Step 5: Solve for x
    x = 77,129,229.35/14,612.27
  6. Step 6: Final answer
    x = 5,278.39

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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.