Home / 13,154.22-19,731.13-3,293.48

Finding the Fourth Proportional to 13,154.22, 19,731.13 and 3,293.48

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Solution

The fourth proportional to 13,154.22, 19,731.13 and 3,293.48 is: 4,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.22 : 19,731.13 = 3,293.48 : x
  2. Step 2: Convert to fraction form
    13,154.22/19,731.13 = 3,293.48/x
  3. Step 3: Cross multiply
    13,154.22x = 19,731.13 × 3,293.48
  4. Step 4: Simplify right side
    13,154.22x = 64,984,123.13
  5. Step 5: Solve for x
    x = 64,984,123.13/13,154.22
  6. Step 6: Final answer
    x = 4,940.17

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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.