Home / 22,634.03-31,238.83-13,072.20

Finding the Fourth Proportional to 22,634.03, 31,238.83 and 13,072.20

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Solution

The fourth proportional to 22,634.03, 31,238.83 and 13,072.20 is: 18,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,634.03 : 31,238.83 = 13,072.20 : x
  2. Step 2: Convert to fraction form
    22,634.03/31,238.83 = 13,072.20/x
  3. Step 3: Cross multiply
    22,634.03x = 31,238.83 × 13,072.20
  4. Step 4: Simplify right side
    22,634.03x = 408,360,106.41
  5. Step 5: Solve for x
    x = 408,360,106.41/22,634.03
  6. Step 6: Final answer
    x = 18,041.87

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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.