Home / 16,098.36-22,221.20-10,140

Finding the Fourth Proportional to 16,098.36, 22,221.20 and 10,140

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Solution

The fourth proportional to 16,098.36, 22,221.20 and 10,140 is: 13,996.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,098.36 : 22,221.20 = 10,140 : x
  2. Step 2: Convert to fraction form
    16,098.36/22,221.20 = 10,140/x
  3. Step 3: Cross multiply
    16,098.36x = 22,221.20 × 10,140
  4. Step 4: Simplify right side
    16,098.36x = 225,322,968
  5. Step 5: Solve for x
    x = 225,322,968/16,098.36
  6. Step 6: Final answer
    x = 13,996.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.