Home / 22,194.22-30,628.70-12,123.15

Finding the Fourth Proportional to 22,194.22, 30,628.70 and 12,123.15

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Solution

The fourth proportional to 22,194.22, 30,628.70 and 12,123.15 is: 16,730.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,194.22 : 30,628.70 = 12,123.15 : x
  2. Step 2: Convert to fraction form
    22,194.22/30,628.70 = 12,123.15/x
  3. Step 3: Cross multiply
    22,194.22x = 30,628.70 × 12,123.15
  4. Step 4: Simplify right side
    22,194.22x = 371,316,324.41
  5. Step 5: Solve for x
    x = 371,316,324.41/22,194.22
  6. Step 6: Final answer
    x = 16,730.32

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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.