Home / 13,778.98-19,022.25-11,060.62

Finding the Fourth Proportional to 13,778.98, 19,022.25 and 11,060.62

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Solution

The fourth proportional to 13,778.98, 19,022.25 and 11,060.62 is: 15,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,778.98 : 19,022.25 = 11,060.62 : x
  2. Step 2: Convert to fraction form
    13,778.98/19,022.25 = 11,060.62/x
  3. Step 3: Cross multiply
    13,778.98x = 19,022.25 × 11,060.62
  4. Step 4: Simplify right side
    13,778.98x = 210,397,878.80
  5. Step 5: Solve for x
    x = 210,397,878.80/13,778.98
  6. Step 6: Final answer
    x = 15,269.48

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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.