Home / 19,971.39-29,951.95-5,928.09

Finding the Fourth Proportional to 19,971.39, 29,951.95 and 5,928.09

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Solution

The fourth proportional to 19,971.39, 29,951.95 and 5,928.09 is: 8,890.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.39 : 29,951.95 = 5,928.09 : x
  2. Step 2: Convert to fraction form
    19,971.39/29,951.95 = 5,928.09/x
  3. Step 3: Cross multiply
    19,971.39x = 29,951.95 × 5,928.09
  4. Step 4: Simplify right side
    19,971.39x = 177,557,855.28
  5. Step 5: Solve for x
    x = 177,557,855.28/19,971.39
  6. Step 6: Final answer
    x = 8,890.61

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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.