Home / 13,370.22-20,057.31-12,550.14

Finding the Fourth Proportional to 13,370.22, 20,057.31 and 12,550.14

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Solution

The fourth proportional to 13,370.22, 20,057.31 and 12,550.14 is: 18,827.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.22 : 20,057.31 = 12,550.14 : x
  2. Step 2: Convert to fraction form
    13,370.22/20,057.31 = 12,550.14/x
  3. Step 3: Cross multiply
    13,370.22x = 20,057.31 × 12,550.14
  4. Step 4: Simplify right side
    13,370.22x = 251,722,048.52
  5. Step 5: Solve for x
    x = 251,722,048.52/13,370.22
  6. Step 6: Final answer
    x = 18,827.07

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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.