Home / 20,176.36-30,226.38-11,417.56

Finding the Fourth Proportional to 20,176.36, 30,226.38 and 11,417.56

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Solution

The fourth proportional to 20,176.36, 30,226.38 and 11,417.56 is: 17,104.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.36 : 30,226.38 = 11,417.56 : x
  2. Step 2: Convert to fraction form
    20,176.36/30,226.38 = 11,417.56/x
  3. Step 3: Cross multiply
    20,176.36x = 30,226.38 × 11,417.56
  4. Step 4: Simplify right side
    20,176.36x = 345,111,507.23
  5. Step 5: Solve for x
    x = 345,111,507.23/20,176.36
  6. Step 6: Final answer
    x = 17,104.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.