Home / 22,178.75-30,614.56-13,104.11

Finding the Fourth Proportional to 22,178.75, 30,614.56 and 13,104.11

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Solution

The fourth proportional to 22,178.75, 30,614.56 and 13,104.11 is: 18,088.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178.75 : 30,614.56 = 13,104.11 : x
  2. Step 2: Convert to fraction form
    22,178.75/30,614.56 = 13,104.11/x
  3. Step 3: Cross multiply
    22,178.75x = 30,614.56 × 13,104.11
  4. Step 4: Simplify right side
    22,178.75x = 401,176,605.62
  5. Step 5: Solve for x
    x = 401,176,605.62/22,178.75
  6. Step 6: Final answer
    x = 18,088.34

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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.