Home / 21,166.02-31,756.14-8,022.06

Finding the Fourth Proportional to 21,166.02, 31,756.14 and 8,022.06

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Solution

The fourth proportional to 21,166.02, 31,756.14 and 8,022.06 is: 12,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,166.02 : 31,756.14 = 8,022.06 : x
  2. Step 2: Convert to fraction form
    21,166.02/31,756.14 = 8,022.06/x
  3. Step 3: Cross multiply
    21,166.02x = 31,756.14 × 8,022.06
  4. Step 4: Simplify right side
    21,166.02x = 254,749,660.45
  5. Step 5: Solve for x
    x = 254,749,660.45/21,166.02
  6. Step 6: Final answer
    x = 12,035.78

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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.