Home / 22,738.32-34,130.75-18,776.96

Finding the Fourth Proportional to 22,738.32, 34,130.75 and 18,776.96

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Solution

The fourth proportional to 22,738.32, 34,130.75 and 18,776.96 is: 28,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,738.32 : 34,130.75 = 18,776.96 : x
  2. Step 2: Convert to fraction form
    22,738.32/34,130.75 = 18,776.96/x
  3. Step 3: Cross multiply
    22,738.32x = 34,130.75 × 18,776.96
  4. Step 4: Simplify right side
    22,738.32x = 640,871,556.87
  5. Step 5: Solve for x
    x = 640,871,556.87/22,738.32
  6. Step 6: Final answer
    x = 28,184.65

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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.