Home / 19,662.24-27,132.86-11,164.16

Finding the Fourth Proportional to 19,662.24, 27,132.86 and 11,164.16

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Solution

The fourth proportional to 19,662.24, 27,132.86 and 11,164.16 is: 15,405.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.24 : 27,132.86 = 11,164.16 : x
  2. Step 2: Convert to fraction form
    19,662.24/27,132.86 = 11,164.16/x
  3. Step 3: Cross multiply
    19,662.24x = 27,132.86 × 11,164.16
  4. Step 4: Simplify right side
    19,662.24x = 302,915,623.24
  5. Step 5: Solve for x
    x = 302,915,623.24/19,662.24
  6. Step 6: Final answer
    x = 15,405.95

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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.