Home / 20,186.24-27,856.81-11,233.59

Finding the Fourth Proportional to 20,186.24, 27,856.81 and 11,233.59

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Solution

The fourth proportional to 20,186.24, 27,856.81 and 11,233.59 is: 15,502.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186.24 : 27,856.81 = 11,233.59 : x
  2. Step 2: Convert to fraction form
    20,186.24/27,856.81 = 11,233.59/x
  3. Step 3: Cross multiply
    20,186.24x = 27,856.81 × 11,233.59
  4. Step 4: Simplify right side
    20,186.24x = 312,931,786.80
  5. Step 5: Solve for x
    x = 312,931,786.80/20,186.24
  6. Step 6: Final answer
    x = 15,502.24

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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.