Home / 20,084.16-27,715.55-11,009.33

Finding the Fourth Proportional to 20,084.16, 27,715.55 and 11,009.33

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Solution

The fourth proportional to 20,084.16, 27,715.55 and 11,009.33 is: 15,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.16 : 27,715.55 = 11,009.33 : x
  2. Step 2: Convert to fraction form
    20,084.16/27,715.55 = 11,009.33/x
  3. Step 3: Cross multiply
    20,084.16x = 27,715.55 × 11,009.33
  4. Step 4: Simplify right side
    20,084.16x = 305,129,636.08
  5. Step 5: Solve for x
    x = 305,129,636.08/20,084.16
  6. Step 6: Final answer
    x = 15,192.56

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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.