Home / 20,004.12-27,605.70-11,051.64

Finding the Fourth Proportional to 20,004.12, 27,605.70 and 11,051.64

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Solution

The fourth proportional to 20,004.12, 27,605.70 and 11,051.64 is: 15,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.12 : 27,605.70 = 11,051.64 : x
  2. Step 2: Convert to fraction form
    20,004.12/27,605.70 = 11,051.64/x
  3. Step 3: Cross multiply
    20,004.12x = 27,605.70 × 11,051.64
  4. Step 4: Simplify right side
    20,004.12x = 305,088,258.35
  5. Step 5: Solve for x
    x = 305,088,258.35/20,004.12
  6. Step 6: Final answer
    x = 15,251.27

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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.