Home / 22,630.44-31,222.79-13,069.07

Finding the Fourth Proportional to 22,630.44, 31,222.79 and 13,069.07

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Solution

The fourth proportional to 22,630.44, 31,222.79 and 13,069.07 is: 18,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,630.44 : 31,222.79 = 13,069.07 : x
  2. Step 2: Convert to fraction form
    22,630.44/31,222.79 = 13,069.07/x
  3. Step 3: Cross multiply
    22,630.44x = 31,222.79 × 13,069.07
  4. Step 4: Simplify right side
    22,630.44x = 408,052,757.17
  5. Step 5: Solve for x
    x = 408,052,757.17/22,630.44
  6. Step 6: Final answer
    x = 18,031.14

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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.