Home / 19,679.49-29,511.57-6,528.33

Finding the Fourth Proportional to 19,679.49, 29,511.57 and 6,528.33

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Solution

The fourth proportional to 19,679.49, 29,511.57 and 6,528.33 is: 9,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.49 : 29,511.57 = 6,528.33 : x
  2. Step 2: Convert to fraction form
    19,679.49/29,511.57 = 6,528.33/x
  3. Step 3: Cross multiply
    19,679.49x = 29,511.57 × 6,528.33
  4. Step 4: Simplify right side
    19,679.49x = 192,661,267.78
  5. Step 5: Solve for x
    x = 192,661,267.78/19,679.49
  6. Step 6: Final answer
    x = 9,789.95

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1.5x scale

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.