Home / 13,092.20-19,616.70-11,148.20

Finding the Fourth Proportional to 13,092.20, 19,616.70 and 11,148.20

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Solution

The fourth proportional to 13,092.20, 19,616.70 and 11,148.20 is: 16,703.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.20 : 19,616.70 = 11,148.20 : x
  2. Step 2: Convert to fraction form
    13,092.20/19,616.70 = 11,148.20/x
  3. Step 3: Cross multiply
    13,092.20x = 19,616.70 × 11,148.20
  4. Step 4: Simplify right side
    13,092.20x = 218,690,894.94
  5. Step 5: Solve for x
    x = 218,690,894.94/13,092.20
  6. Step 6: Final answer
    x = 16,703.91

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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.