Home / 19,956.08-27,538.14-11,003.12

Finding the Fourth Proportional to 19,956.08, 27,538.14 and 11,003.12

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Solution

The fourth proportional to 19,956.08, 27,538.14 and 11,003.12 is: 15,183.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.08 : 27,538.14 = 11,003.12 : x
  2. Step 2: Convert to fraction form
    19,956.08/27,538.14 = 11,003.12/x
  3. Step 3: Cross multiply
    19,956.08x = 27,538.14 × 11,003.12
  4. Step 4: Simplify right side
    19,956.08x = 303,005,459.00
  5. Step 5: Solve for x
    x = 303,005,459.00/19,956.08
  6. Step 6: Final answer
    x = 15,183.62

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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.