Home / 13,306.26-19,948.57-4,981.61

Finding the Fourth Proportional to 13,306.26, 19,948.57 and 4,981.61

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Solution

The fourth proportional to 13,306.26, 19,948.57 and 4,981.61 is: 7,468.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.26 : 19,948.57 = 4,981.61 : x
  2. Step 2: Convert to fraction form
    13,306.26/19,948.57 = 4,981.61/x
  3. Step 3: Cross multiply
    13,306.26x = 19,948.57 × 4,981.61
  4. Step 4: Simplify right side
    13,306.26x = 99,376,033.22
  5. Step 5: Solve for x
    x = 99,376,033.22/13,306.26
  6. Step 6: Final answer
    x = 7,468.36

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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.