Home / 20,048.31-27,667.97-11,095.81

Finding the Fourth Proportional to 20,048.31, 27,667.97 and 11,095.81

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Solution

The fourth proportional to 20,048.31, 27,667.97 and 11,095.81 is: 15,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.31 : 27,667.97 = 11,095.81 : x
  2. Step 2: Convert to fraction form
    20,048.31/27,667.97 = 11,095.81/x
  3. Step 3: Cross multiply
    20,048.31x = 27,667.97 × 11,095.81
  4. Step 4: Simplify right side
    20,048.31x = 306,998,538.21
  5. Step 5: Solve for x
    x = 306,998,538.21/20,048.31
  6. Step 6: Final answer
    x = 15,312.94

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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.