Home / 19,960.16-27,542.92-11,007.14

Finding the Fourth Proportional to 19,960.16, 27,542.92 and 11,007.14

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Solution

The fourth proportional to 19,960.16, 27,542.92 and 11,007.14 is: 15,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.16 : 27,542.92 = 11,007.14 : x
  2. Step 2: Convert to fraction form
    19,960.16/27,542.92 = 11,007.14/x
  3. Step 3: Cross multiply
    19,960.16x = 27,542.92 × 11,007.14
  4. Step 4: Simplify right side
    19,960.16x = 303,168,776.45
  5. Step 5: Solve for x
    x = 303,168,776.45/19,960.16
  6. Step 6: Final answer
    x = 15,188.69

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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.