Home / 23,103.36-31,882.66-12,492.99

Finding the Fourth Proportional to 23,103.36, 31,882.66 and 12,492.99

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Solution

The fourth proportional to 23,103.36, 31,882.66 and 12,492.99 is: 17,240.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,103.36 : 31,882.66 = 12,492.99 : x
  2. Step 2: Convert to fraction form
    23,103.36/31,882.66 = 12,492.99/x
  3. Step 3: Cross multiply
    23,103.36x = 31,882.66 × 12,492.99
  4. Step 4: Simplify right side
    23,103.36x = 398,309,752.55
  5. Step 5: Solve for x
    x = 398,309,752.55/23,103.36
  6. Step 6: Final answer
    x = 17,240.34

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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.