Home / 22,415.07-30,923.52-13,338.62

Finding the Fourth Proportional to 22,415.07, 30,923.52 and 13,338.62

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Solution

The fourth proportional to 22,415.07, 30,923.52 and 13,338.62 is: 18,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,415.07 : 30,923.52 = 13,338.62 : x
  2. Step 2: Convert to fraction form
    22,415.07/30,923.52 = 13,338.62/x
  3. Step 3: Cross multiply
    22,415.07x = 30,923.52 × 13,338.62
  4. Step 4: Simplify right side
    22,415.07x = 412,477,082.34
  5. Step 5: Solve for x
    x = 412,477,082.34/22,415.07
  6. Step 6: Final answer
    x = 18,401.78

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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.