Home / 19,640.49-29,460.80-4,849.41

Finding the Fourth Proportional to 19,640.49, 29,460.80 and 4,849.41

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Solution

The fourth proportional to 19,640.49, 29,460.80 and 4,849.41 is: 7,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640.49 : 29,460.80 = 4,849.41 : x
  2. Step 2: Convert to fraction form
    19,640.49/29,460.80 = 4,849.41/x
  3. Step 3: Cross multiply
    19,640.49x = 29,460.80 × 4,849.41
  4. Step 4: Simplify right side
    19,640.49x = 142,867,498.13
  5. Step 5: Solve for x
    x = 142,867,498.13/19,640.49
  6. Step 6: Final answer
    x = 7,274.13

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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.