Home / 20,016.72-27,623.88-11,064.24

Finding the Fourth Proportional to 20,016.72, 27,623.88 and 11,064.24

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Solution

The fourth proportional to 20,016.72, 27,623.88 and 11,064.24 is: 15,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.72 : 27,623.88 = 11,064.24 : x
  2. Step 2: Convert to fraction form
    20,016.72/27,623.88 = 11,064.24/x
  3. Step 3: Cross multiply
    20,016.72x = 27,623.88 × 11,064.24
  4. Step 4: Simplify right side
    20,016.72x = 305,637,238.05
  5. Step 5: Solve for x
    x = 305,637,238.05/20,016.72
  6. Step 6: Final answer
    x = 15,269.10

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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.