Home / 23,615.52-35,250.51-20,813.09

Finding the Fourth Proportional to 23,615.52, 35,250.51 and 20,813.09

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Solution

The fourth proportional to 23,615.52, 35,250.51 and 20,813.09 is: 31,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,615.52 : 35,250.51 = 20,813.09 : x
  2. Step 2: Convert to fraction form
    23,615.52/35,250.51 = 20,813.09/x
  3. Step 3: Cross multiply
    23,615.52x = 35,250.51 × 20,813.09
  4. Step 4: Simplify right side
    23,615.52x = 733,671,821.90
  5. Step 5: Solve for x
    x = 733,671,821.90/23,615.52
  6. Step 6: Final answer
    x = 31,067.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.