Home / 23,103.10-31,882.26-12,492.64

Finding the Fourth Proportional to 23,103.10, 31,882.26 and 12,492.64

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Solution

The fourth proportional to 23,103.10, 31,882.26 and 12,492.64 is: 17,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,103.10 : 31,882.26 = 12,492.64 : x
  2. Step 2: Convert to fraction form
    23,103.10/31,882.26 = 12,492.64/x
  3. Step 3: Cross multiply
    23,103.10x = 31,882.26 × 12,492.64
  4. Step 4: Simplify right side
    23,103.10x = 398,293,596.57
  5. Step 5: Solve for x
    x = 398,293,596.57/23,103.10
  6. Step 6: Final answer
    x = 17,239.83

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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.