Home / 22,606.15-33,868.56-21,272.31

Finding the Fourth Proportional to 22,606.15, 33,868.56 and 21,272.31

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Solution

The fourth proportional to 22,606.15, 33,868.56 and 21,272.31 is: 31,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,606.15 : 33,868.56 = 21,272.31 : x
  2. Step 2: Convert to fraction form
    22,606.15/33,868.56 = 21,272.31/x
  3. Step 3: Cross multiply
    22,606.15x = 33,868.56 × 21,272.31
  4. Step 4: Simplify right side
    22,606.15x = 720,462,507.57
  5. Step 5: Solve for x
    x = 720,462,507.57/22,606.15
  6. Step 6: Final answer
    x = 31,870.20

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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.