Home / 22,301.02-30,773.19-12,872.62

Finding the Fourth Proportional to 22,301.02, 30,773.19 and 12,872.62

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Solution

The fourth proportional to 22,301.02, 30,773.19 and 12,872.62 is: 17,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,301.02 : 30,773.19 = 12,872.62 : x
  2. Step 2: Convert to fraction form
    22,301.02/30,773.19 = 12,872.62/x
  3. Step 3: Cross multiply
    22,301.02x = 30,773.19 × 12,872.62
  4. Step 4: Simplify right side
    22,301.02x = 396,131,581.06
  5. Step 5: Solve for x
    x = 396,131,581.06/22,301.02
  6. Step 6: Final answer
    x = 17,762.94

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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.