Home / 20,160.04-27,824.29-11,667.38

Finding the Fourth Proportional to 20,160.04, 27,824.29 and 11,667.38

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Solution

The fourth proportional to 20,160.04, 27,824.29 and 11,667.38 is: 16,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.04 : 27,824.29 = 11,667.38 : x
  2. Step 2: Convert to fraction form
    20,160.04/27,824.29 = 11,667.38/x
  3. Step 3: Cross multiply
    20,160.04x = 27,824.29 × 11,667.38
  4. Step 4: Simplify right side
    20,160.04x = 324,636,462.00
  5. Step 5: Solve for x
    x = 324,636,462.00/20,160.04
  6. Step 6: Final answer
    x = 16,102.97

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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.