Home / 18,131.70-25,022.86-10,174.44

Finding the Fourth Proportional to 18,131.70, 25,022.86 and 10,174.44

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Solution

The fourth proportional to 18,131.70, 25,022.86 and 10,174.44 is: 14,041.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.70 : 25,022.86 = 10,174.44 : x
  2. Step 2: Convert to fraction form
    18,131.70/25,022.86 = 10,174.44/x
  3. Step 3: Cross multiply
    18,131.70x = 25,022.86 × 10,174.44
  4. Step 4: Simplify right side
    18,131.70x = 254,593,587.70
  5. Step 5: Solve for x
    x = 254,593,587.70/18,131.70
  6. Step 6: Final answer
    x = 14,041.35

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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.