Home / 22,415.27-30,923.78-13,338.81

Finding the Fourth Proportional to 22,415.27, 30,923.78 and 13,338.81

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Solution

The fourth proportional to 22,415.27, 30,923.78 and 13,338.81 is: 18,402.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,415.27 : 30,923.78 = 13,338.81 : x
  2. Step 2: Convert to fraction form
    22,415.27/30,923.78 = 13,338.81/x
  3. Step 3: Cross multiply
    22,415.27x = 30,923.78 × 13,338.81
  4. Step 4: Simplify right side
    22,415.27x = 412,486,534.00
  5. Step 5: Solve for x
    x = 412,486,534.00/22,415.27
  6. Step 6: Final answer
    x = 18,402.03

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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.