Home / 22,694.51-31,296.43-15,141.15

Finding the Fourth Proportional to 22,694.51, 31,296.43 and 15,141.15

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Solution

The fourth proportional to 22,694.51, 31,296.43 and 15,141.15 is: 20,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,694.51 : 31,296.43 = 15,141.15 : x
  2. Step 2: Convert to fraction form
    22,694.51/31,296.43 = 15,141.15/x
  3. Step 3: Cross multiply
    22,694.51x = 31,296.43 × 15,141.15
  4. Step 4: Simplify right side
    22,694.51x = 473,863,941.09
  5. Step 5: Solve for x
    x = 473,863,941.09/22,694.51
  6. Step 6: Final answer
    x = 20,880.11

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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.