Home / 20,017.11-27,623.43-11,064.84

Finding the Fourth Proportional to 20,017.11, 27,623.43 and 11,064.84

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Solution

The fourth proportional to 20,017.11, 27,623.43 and 11,064.84 is: 15,269.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.11 : 27,623.43 = 11,064.84 : x
  2. Step 2: Convert to fraction form
    20,017.11/27,623.43 = 11,064.84/x
  3. Step 3: Cross multiply
    20,017.11x = 27,623.43 × 11,064.84
  4. Step 4: Simplify right side
    20,017.11x = 305,648,833.20
  5. Step 5: Solve for x
    x = 305,648,833.20/20,017.11
  6. Step 6: Final answer
    x = 15,269.38

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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.