Home / 19,812.52-27,338.66-11,853.16

Finding the Fourth Proportional to 19,812.52, 27,338.66 and 11,853.16

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Solution

The fourth proportional to 19,812.52, 27,338.66 and 11,853.16 is: 16,355.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.52 : 27,338.66 = 11,853.16 : x
  2. Step 2: Convert to fraction form
    19,812.52/27,338.66 = 11,853.16/x
  3. Step 3: Cross multiply
    19,812.52x = 27,338.66 × 11,853.16
  4. Step 4: Simplify right side
    19,812.52x = 324,049,511.17
  5. Step 5: Solve for x
    x = 324,049,511.17/19,812.52
  6. Step 6: Final answer
    x = 16,355.79

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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.