Home / 18,912.24-26,077.32-15,923.52

Finding the Fourth Proportional to 18,912.24, 26,077.32 and 15,923.52

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Solution

The fourth proportional to 18,912.24, 26,077.32 and 15,923.52 is: 21,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,912.24 : 26,077.32 = 15,923.52 : x
  2. Step 2: Convert to fraction form
    18,912.24/26,077.32 = 15,923.52/x
  3. Step 3: Cross multiply
    18,912.24x = 26,077.32 × 15,923.52
  4. Step 4: Simplify right side
    18,912.24x = 415,242,726.57
  5. Step 5: Solve for x
    x = 415,242,726.57/18,912.24
  6. Step 6: Final answer
    x = 21,956.30

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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.