Home / 21,934.79-30,234.45-17,146.27

Finding the Fourth Proportional to 21,934.79, 30,234.45 and 17,146.27

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Solution

The fourth proportional to 21,934.79, 30,234.45 and 17,146.27 is: 23,634.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,934.79 : 30,234.45 = 17,146.27 : x
  2. Step 2: Convert to fraction form
    21,934.79/30,234.45 = 17,146.27/x
  3. Step 3: Cross multiply
    21,934.79x = 30,234.45 × 17,146.27
  4. Step 4: Simplify right side
    21,934.79x = 518,408,043.00
  5. Step 5: Solve for x
    x = 518,408,043.00/21,934.79
  6. Step 6: Final answer
    x = 23,634.06

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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.