Home / 22,608.36-31,201.38-12,539.96

Finding the Fourth Proportional to 22,608.36, 31,201.38 and 12,539.96

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Solution

The fourth proportional to 22,608.36, 31,201.38 and 12,539.96 is: 17,306.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,608.36 : 31,201.38 = 12,539.96 : x
  2. Step 2: Convert to fraction form
    22,608.36/31,201.38 = 12,539.96/x
  3. Step 3: Cross multiply
    22,608.36x = 31,201.38 × 12,539.96
  4. Step 4: Simplify right side
    22,608.36x = 391,264,057.14
  5. Step 5: Solve for x
    x = 391,264,057.14/22,608.36
  6. Step 6: Final answer
    x = 17,306.17

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1.5x scale

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.