Home / 22,806.64-31,473.12-13,375.12

Finding the Fourth Proportional to 22,806.64, 31,473.12 and 13,375.12

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Solution

The fourth proportional to 22,806.64, 31,473.12 and 13,375.12 is: 18,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,806.64 : 31,473.12 = 13,375.12 : x
  2. Step 2: Convert to fraction form
    22,806.64/31,473.12 = 13,375.12/x
  3. Step 3: Cross multiply
    22,806.64x = 31,473.12 × 13,375.12
  4. Step 4: Simplify right side
    22,806.64x = 420,956,756.77
  5. Step 5: Solve for x
    x = 420,956,756.77/22,806.64
  6. Step 6: Final answer
    x = 18,457.64

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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.