Home / 12,943.31-19,411.20-5,044.06

Finding the Fourth Proportional to 12,943.31, 19,411.20 and 5,044.06

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Solution

The fourth proportional to 12,943.31, 19,411.20 and 5,044.06 is: 7,564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.31 : 19,411.20 = 5,044.06 : x
  2. Step 2: Convert to fraction form
    12,943.31/19,411.20 = 5,044.06/x
  3. Step 3: Cross multiply
    12,943.31x = 19,411.20 × 5,044.06
  4. Step 4: Simplify right side
    12,943.31x = 97,911,257.47
  5. Step 5: Solve for x
    x = 97,911,257.47/12,943.31
  6. Step 6: Final answer
    x = 7,564.63

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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.