Home / 22,180.32-30,607.54-12,106.76

Finding the Fourth Proportional to 22,180.32, 30,607.54 and 12,106.76

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Solution

The fourth proportional to 22,180.32, 30,607.54 and 12,106.76 is: 16,706.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180.32 : 30,607.54 = 12,106.76 : x
  2. Step 2: Convert to fraction form
    22,180.32/30,607.54 = 12,106.76/x
  3. Step 3: Cross multiply
    22,180.32x = 30,607.54 × 12,106.76
  4. Step 4: Simplify right side
    22,180.32x = 370,558,140.97
  5. Step 5: Solve for x
    x = 370,558,140.97/22,180.32
  6. Step 6: Final answer
    x = 16,706.62

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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.