Home / 19,157.82-26,436.15-11,199.12

Finding the Fourth Proportional to 19,157.82, 26,436.15 and 11,199.12

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Solution

The fourth proportional to 19,157.82, 26,436.15 and 11,199.12 is: 15,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.82 : 26,436.15 = 11,199.12 : x
  2. Step 2: Convert to fraction form
    19,157.82/26,436.15 = 11,199.12/x
  3. Step 3: Cross multiply
    19,157.82x = 26,436.15 × 11,199.12
  4. Step 4: Simplify right side
    19,157.82x = 296,061,616.19
  5. Step 5: Solve for x
    x = 296,061,616.19/19,157.82
  6. Step 6: Final answer
    x = 15,453.83

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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.