Home / 13,270.10-19,906.02-4,949.91

Finding the Fourth Proportional to 13,270.10, 19,906.02 and 4,949.91

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Solution

The fourth proportional to 13,270.10, 19,906.02 and 4,949.91 is: 7,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.10 : 19,906.02 = 4,949.91 : x
  2. Step 2: Convert to fraction form
    13,270.10/19,906.02 = 4,949.91/x
  3. Step 3: Cross multiply
    13,270.10x = 19,906.02 × 4,949.91
  4. Step 4: Simplify right side
    13,270.10x = 98,533,007.46
  5. Step 5: Solve for x
    x = 98,533,007.46/13,270.10
  6. Step 6: Final answer
    x = 7,425.19

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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.