Home / 23,108.17-31,889.28-12,497.80

Finding the Fourth Proportional to 23,108.17, 31,889.28 and 12,497.80

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Solution

The fourth proportional to 23,108.17, 31,889.28 and 12,497.80 is: 17,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,108.17 : 31,889.28 = 12,497.80 : x
  2. Step 2: Convert to fraction form
    23,108.17/31,889.28 = 12,497.80/x
  3. Step 3: Cross multiply
    23,108.17x = 31,889.28 × 12,497.80
  4. Step 4: Simplify right side
    23,108.17x = 398,545,843.58
  5. Step 5: Solve for x
    x = 398,545,843.58/23,108.17
  6. Step 6: Final answer
    x = 17,246.97

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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.