Home / 23,175.38-31,982.27-13,615.67

Finding the Fourth Proportional to 23,175.38, 31,982.27 and 13,615.67

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Solution

The fourth proportional to 23,175.38, 31,982.27 and 13,615.67 is: 18,789.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,175.38 : 31,982.27 = 13,615.67 : x
  2. Step 2: Convert to fraction form
    23,175.38/31,982.27 = 13,615.67/x
  3. Step 3: Cross multiply
    23,175.38x = 31,982.27 × 13,615.67
  4. Step 4: Simplify right side
    23,175.38x = 435,459,857.24
  5. Step 5: Solve for x
    x = 435,459,857.24/23,175.38
  6. Step 6: Final answer
    x = 18,789.76

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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.