Home / 18,722.22-25,836.75-10,338.72

Finding the Fourth Proportional to 18,722.22, 25,836.75 and 10,338.72

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Solution

The fourth proportional to 18,722.22, 25,836.75 and 10,338.72 is: 14,267.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.22 : 25,836.75 = 10,338.72 : x
  2. Step 2: Convert to fraction form
    18,722.22/25,836.75 = 10,338.72/x
  3. Step 3: Cross multiply
    18,722.22x = 25,836.75 × 10,338.72
  4. Step 4: Simplify right side
    18,722.22x = 267,118,923.96
  5. Step 5: Solve for x
    x = 267,118,923.96/18,722.22
  6. Step 6: Final answer
    x = 14,267.48

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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.