Home / 22,777.00-31,435.00-13,345.56

Finding the Fourth Proportional to 22,777.00, 31,435.00 and 13,345.56

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Solution

The fourth proportional to 22,777.00, 31,435.00 and 13,345.56 is: 18,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,777.00 : 31,435.00 = 13,345.56 : x
  2. Step 2: Convert to fraction form
    22,777.00/31,435.00 = 13,345.56/x
  3. Step 3: Cross multiply
    22,777.00x = 31,435.00 × 13,345.56
  4. Step 4: Simplify right side
    22,777.00x = 419,517,763.12
  5. Step 5: Solve for x
    x = 419,517,763.12/22,777.00
  6. Step 6: Final answer
    x = 18,418.48

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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.