Home / 20,050.11-27,670.14-11,553.56

Finding the Fourth Proportional to 20,050.11, 27,670.14 and 11,553.56

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Solution

The fourth proportional to 20,050.11, 27,670.14 and 11,553.56 is: 15,944.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.11 : 27,670.14 = 11,553.56 : x
  2. Step 2: Convert to fraction form
    20,050.11/27,670.14 = 11,553.56/x
  3. Step 3: Cross multiply
    20,050.11x = 27,670.14 × 11,553.56
  4. Step 4: Simplify right side
    20,050.11x = 319,688,564.93
  5. Step 5: Solve for x
    x = 319,688,564.93/20,050.11
  6. Step 6: Final answer
    x = 15,944.48

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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.