Home / 16,715.90-23,067.12-10,005.22

Finding the Fourth Proportional to 16,715.90, 23,067.12 and 10,005.22

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Solution

The fourth proportional to 16,715.90, 23,067.12 and 10,005.22 is: 13,806.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,715.90 : 23,067.12 = 10,005.22 : x
  2. Step 2: Convert to fraction form
    16,715.90/23,067.12 = 10,005.22/x
  3. Step 3: Cross multiply
    16,715.90x = 23,067.12 × 10,005.22
  4. Step 4: Simplify right side
    16,715.90x = 230,791,610.37
  5. Step 5: Solve for x
    x = 230,791,610.37/16,715.90
  6. Step 6: Final answer
    x = 13,806.71

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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.