Home / 19,960.10-27,546.18-11,007.59

Finding the Fourth Proportional to 19,960.10, 27,546.18 and 11,007.59

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Solution

The fourth proportional to 19,960.10, 27,546.18 and 11,007.59 is: 15,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.10 : 27,546.18 = 11,007.59 : x
  2. Step 2: Convert to fraction form
    19,960.10/27,546.18 = 11,007.59/x
  3. Step 3: Cross multiply
    19,960.10x = 27,546.18 × 11,007.59
  4. Step 4: Simplify right side
    19,960.10x = 303,216,917.78
  5. Step 5: Solve for x
    x = 303,216,917.78/19,960.10
  6. Step 6: Final answer
    x = 15,191.16

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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.