Home / 23,103.36-31,882.62-12,493.02

Finding the Fourth Proportional to 23,103.36, 31,882.62 and 12,493.02

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Solution

The fourth proportional to 23,103.36, 31,882.62 and 12,493.02 is: 17,240.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,103.36 : 31,882.62 = 12,493.02 : x
  2. Step 2: Convert to fraction form
    23,103.36/31,882.62 = 12,493.02/x
  3. Step 3: Cross multiply
    23,103.36x = 31,882.62 × 12,493.02
  4. Step 4: Simplify right side
    23,103.36x = 398,310,209.31
  5. Step 5: Solve for x
    x = 398,310,209.31/23,103.36
  6. Step 6: Final answer
    x = 17,240.36

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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.