Home / 13,179.49-19,763.76-4,859.98

Finding the Fourth Proportional to 13,179.49, 19,763.76 and 4,859.98

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Solution

The fourth proportional to 13,179.49, 19,763.76 and 4,859.98 is: 7,287.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.49 : 19,763.76 = 4,859.98 : x
  2. Step 2: Convert to fraction form
    13,179.49/19,763.76 = 4,859.98/x
  3. Step 3: Cross multiply
    13,179.49x = 19,763.76 × 4,859.98
  4. Step 4: Simplify right side
    13,179.49x = 96,051,478.32
  5. Step 5: Solve for x
    x = 96,051,478.32/13,179.49
  6. Step 6: Final answer
    x = 7,287.95

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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.