Home / 19,651.62-27,119.39-10,699.18

Finding the Fourth Proportional to 19,651.62, 27,119.39 and 10,699.18

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Solution

The fourth proportional to 19,651.62, 27,119.39 and 10,699.18 is: 14,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.62 : 27,119.39 = 10,699.18 : x
  2. Step 2: Convert to fraction form
    19,651.62/27,119.39 = 10,699.18/x
  3. Step 3: Cross multiply
    19,651.62x = 27,119.39 × 10,699.18
  4. Step 4: Simplify right side
    19,651.62x = 290,155,235.10
  5. Step 5: Solve for x
    x = 290,155,235.10/19,651.62
  6. Step 6: Final answer
    x = 14,764.95

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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.