Home / 22,722.75-31,352.28-13,769.94

Finding the Fourth Proportional to 22,722.75, 31,352.28 and 13,769.94

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Solution

The fourth proportional to 22,722.75, 31,352.28 and 13,769.94 is: 18,999.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,722.75 : 31,352.28 = 13,769.94 : x
  2. Step 2: Convert to fraction form
    22,722.75/31,352.28 = 13,769.94/x
  3. Step 3: Cross multiply
    22,722.75x = 31,352.28 × 13,769.94
  4. Step 4: Simplify right side
    22,722.75x = 431,719,014.46
  5. Step 5: Solve for x
    x = 431,719,014.46/22,722.75
  6. Step 6: Final answer
    x = 18,999.42

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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.