Home / 19,147.95-26,431.35-11,192.76

Finding the Fourth Proportional to 19,147.95, 26,431.35 and 11,192.76

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Solution

The fourth proportional to 19,147.95, 26,431.35 and 11,192.76 is: 15,450.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.95 : 26,431.35 = 11,192.76 : x
  2. Step 2: Convert to fraction form
    19,147.95/26,431.35 = 11,192.76/x
  3. Step 3: Cross multiply
    19,147.95x = 26,431.35 × 11,192.76
  4. Step 4: Simplify right side
    19,147.95x = 295,839,757.03
  5. Step 5: Solve for x
    x = 295,839,757.03/19,147.95
  6. Step 6: Final answer
    x = 15,450.21

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Double scale
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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.