Home / 22,802.87-31,467.35-12,731.03

Finding the Fourth Proportional to 22,802.87, 31,467.35 and 12,731.03

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Solution

The fourth proportional to 22,802.87, 31,467.35 and 12,731.03 is: 17,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,802.87 : 31,467.35 = 12,731.03 : x
  2. Step 2: Convert to fraction form
    22,802.87/31,467.35 = 12,731.03/x
  3. Step 3: Cross multiply
    22,802.87x = 31,467.35 × 12,731.03
  4. Step 4: Simplify right side
    22,802.87x = 400,611,555.88
  5. Step 5: Solve for x
    x = 400,611,555.88/22,802.87
  6. Step 6: Final answer
    x = 17,568.47

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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.