Home / 18,351.25-25,323.44-10,174.77

Finding the Fourth Proportional to 18,351.25, 25,323.44 and 10,174.77

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Solution

The fourth proportional to 18,351.25, 25,323.44 and 10,174.77 is: 14,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.25 : 25,323.44 = 10,174.77 : x
  2. Step 2: Convert to fraction form
    18,351.25/25,323.44 = 10,174.77/x
  3. Step 3: Cross multiply
    18,351.25x = 25,323.44 × 10,174.77
  4. Step 4: Simplify right side
    18,351.25x = 257,660,177.61
  5. Step 5: Solve for x
    x = 257,660,177.61/18,351.25
  6. Step 6: Final answer
    x = 14,040.47

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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.