Home / 23,579.06-35,351.31-20,140.34

Finding the Fourth Proportional to 23,579.06, 35,351.31 and 20,140.34

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Solution

The fourth proportional to 23,579.06, 35,351.31 and 20,140.34 is: 30,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,579.06 : 35,351.31 = 20,140.34 : x
  2. Step 2: Convert to fraction form
    23,579.06/35,351.31 = 20,140.34/x
  3. Step 3: Cross multiply
    23,579.06x = 35,351.31 × 20,140.34
  4. Step 4: Simplify right side
    23,579.06x = 711,987,402.85
  5. Step 5: Solve for x
    x = 711,987,402.85/23,579.06
  6. Step 6: Final answer
    x = 30,195.75

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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.