Home / 20,004.81-27,605.25-11,052.24

Finding the Fourth Proportional to 20,004.81, 27,605.25 and 11,052.24

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Solution

The fourth proportional to 20,004.81, 27,605.25 and 11,052.24 is: 15,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.81 : 27,605.25 = 11,052.24 : x
  2. Step 2: Convert to fraction form
    20,004.81/27,605.25 = 11,052.24/x
  3. Step 3: Cross multiply
    20,004.81x = 27,605.25 × 11,052.24
  4. Step 4: Simplify right side
    20,004.81x = 305,099,848.26
  5. Step 5: Solve for x
    x = 305,099,848.26/20,004.81
  6. Step 6: Final answer
    x = 15,251.32

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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.