Home / 18,224.80-25,120.68-14,238.96

Finding the Fourth Proportional to 18,224.80, 25,120.68 and 14,238.96

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Solution

The fourth proportional to 18,224.80, 25,120.68 and 14,238.96 is: 19,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.80 : 25,120.68 = 14,238.96 : x
  2. Step 2: Convert to fraction form
    18,224.80/25,120.68 = 14,238.96/x
  3. Step 3: Cross multiply
    18,224.80x = 25,120.68 × 14,238.96
  4. Step 4: Simplify right side
    18,224.80x = 357,692,357.69
  5. Step 5: Solve for x
    x = 357,692,357.69/18,224.80
  6. Step 6: Final answer
    x = 19,626.68

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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.