Home / 20,016.96-27,624.84-11,064.28

Finding the Fourth Proportional to 20,016.96, 27,624.84 and 11,064.28

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Solution

The fourth proportional to 20,016.96, 27,624.84 and 11,064.28 is: 15,269.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.96 : 27,624.84 = 11,064.28 : x
  2. Step 2: Convert to fraction form
    20,016.96/27,624.84 = 11,064.28/x
  3. Step 3: Cross multiply
    20,016.96x = 27,624.84 × 11,064.28
  4. Step 4: Simplify right side
    20,016.96x = 305,648,964.72
  5. Step 5: Solve for x
    x = 305,648,964.72/20,016.96
  6. Step 6: Final answer
    x = 15,269.50

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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.