Home / 16,696.95-22,995.32-12,906.15

Finding the Fourth Proportional to 16,696.95, 22,995.32 and 12,906.15

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Solution

The fourth proportional to 16,696.95, 22,995.32 and 12,906.15 is: 17,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,696.95 : 22,995.32 = 12,906.15 : x
  2. Step 2: Convert to fraction form
    16,696.95/22,995.32 = 12,906.15/x
  3. Step 3: Cross multiply
    16,696.95x = 22,995.32 × 12,906.15
  4. Step 4: Simplify right side
    16,696.95x = 296,781,049.22
  5. Step 5: Solve for x
    x = 296,781,049.22/16,696.95
  6. Step 6: Final answer
    x = 17,774.57

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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.