Home / 22,310.17-30,788.27-12,238.63

Finding the Fourth Proportional to 22,310.17, 30,788.27 and 12,238.63

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Solution

The fourth proportional to 22,310.17, 30,788.27 and 12,238.63 is: 16,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,310.17 : 30,788.27 = 12,238.63 : x
  2. Step 2: Convert to fraction form
    22,310.17/30,788.27 = 12,238.63/x
  3. Step 3: Cross multiply
    22,310.17x = 30,788.27 × 12,238.63
  4. Step 4: Simplify right side
    22,310.17x = 376,806,152.60
  5. Step 5: Solve for x
    x = 376,806,152.60/22,310.17
  6. Step 6: Final answer
    x = 16,889.44

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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.