Home / 20,017.24-27,623.79-11,064.75

Finding the Fourth Proportional to 20,017.24, 27,623.79 and 11,064.75

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Solution

The fourth proportional to 20,017.24, 27,623.79 and 11,064.75 is: 15,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.24 : 27,623.79 = 11,064.75 : x
  2. Step 2: Convert to fraction form
    20,017.24/27,623.79 = 11,064.75/x
  3. Step 3: Cross multiply
    20,017.24x = 27,623.79 × 11,064.75
  4. Step 4: Simplify right side
    20,017.24x = 305,650,330.40
  5. Step 5: Solve for x
    x = 305,650,330.40/20,017.24
  6. Step 6: Final answer
    x = 15,269.35

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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.