Home / 22,761.37-31,410.98-13,201.66

Finding the Fourth Proportional to 22,761.37, 31,410.98 and 13,201.66

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Solution

The fourth proportional to 22,761.37, 31,410.98 and 13,201.66 is: 18,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,761.37 : 31,410.98 = 13,201.66 : x
  2. Step 2: Convert to fraction form
    22,761.37/31,410.98 = 13,201.66/x
  3. Step 3: Cross multiply
    22,761.37x = 31,410.98 × 13,201.66
  4. Step 4: Simplify right side
    22,761.37x = 414,677,100.99
  5. Step 5: Solve for x
    x = 414,677,100.99/22,761.37
  6. Step 6: Final answer
    x = 18,218.46

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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.