Home / 20,021.24-27,629.01-11,068.56

Finding the Fourth Proportional to 20,021.24, 27,629.01 and 11,068.56

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Solution

The fourth proportional to 20,021.24, 27,629.01 and 11,068.56 is: 15,274.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021.24 : 27,629.01 = 11,068.56 : x
  2. Step 2: Convert to fraction form
    20,021.24/27,629.01 = 11,068.56/x
  3. Step 3: Cross multiply
    20,021.24x = 27,629.01 × 11,068.56
  4. Step 4: Simplify right side
    20,021.24x = 305,813,354.93
  5. Step 5: Solve for x
    x = 305,813,354.93/20,021.24
  6. Step 6: Final answer
    x = 15,274.45

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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.