Home / 19,976.05-27,568.20-11,023.51

Finding the Fourth Proportional to 19,976.05, 27,568.20 and 11,023.51

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Solution

The fourth proportional to 19,976.05, 27,568.20 and 11,023.51 is: 15,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.05 : 27,568.20 = 11,023.51 : x
  2. Step 2: Convert to fraction form
    19,976.05/27,568.20 = 11,023.51/x
  3. Step 3: Cross multiply
    19,976.05x = 27,568.20 × 11,023.51
  4. Step 4: Simplify right side
    19,976.05x = 303,898,328.38
  5. Step 5: Solve for x
    x = 303,898,328.38/19,976.05
  6. Step 6: Final answer
    x = 15,213.13

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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.