Home / 13,470.44-20,230.78-11,010.48

Finding the Fourth Proportional to 13,470.44, 20,230.78 and 11,010.48

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Solution

The fourth proportional to 13,470.44, 20,230.78 and 11,010.48 is: 16,536.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.44 : 20,230.78 = 11,010.48 : x
  2. Step 2: Convert to fraction form
    13,470.44/20,230.78 = 11,010.48/x
  3. Step 3: Cross multiply
    13,470.44x = 20,230.78 × 11,010.48
  4. Step 4: Simplify right side
    13,470.44x = 222,750,598.57
  5. Step 5: Solve for x
    x = 222,750,598.57/13,470.44
  6. Step 6: Final answer
    x = 16,536.25

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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.