Home / 23,103.23-31,882.48-12,492.86

Finding the Fourth Proportional to 23,103.23, 31,882.48 and 12,492.86

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Solution

The fourth proportional to 23,103.23, 31,882.48 and 12,492.86 is: 17,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,103.23 : 31,882.48 = 12,492.86 : x
  2. Step 2: Convert to fraction form
    23,103.23/31,882.48 = 12,492.86/x
  3. Step 3: Cross multiply
    23,103.23x = 31,882.48 × 12,492.86
  4. Step 4: Simplify right side
    23,103.23x = 398,303,359.09
  5. Step 5: Solve for x
    x = 398,303,359.09/23,103.23
  6. Step 6: Final answer
    x = 17,240.16

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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.