Home / 13,894.74-19,176.60-8,229.04

Finding the Fourth Proportional to 13,894.74, 19,176.60 and 8,229.04

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Solution

The fourth proportional to 13,894.74, 19,176.60 and 8,229.04 is: 11,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.74 : 19,176.60 = 8,229.04 : x
  2. Step 2: Convert to fraction form
    13,894.74/19,176.60 = 8,229.04/x
  3. Step 3: Cross multiply
    13,894.74x = 19,176.60 × 8,229.04
  4. Step 4: Simplify right side
    13,894.74x = 157,805,052.96
  5. Step 5: Solve for x
    x = 157,805,052.96/13,894.74
  6. Step 6: Final answer
    x = 11,357.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.