Home / 22,742.06-34,113.20-7,940.59

Finding the Fourth Proportional to 22,742.06, 34,113.20 and 7,940.59

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Solution

The fourth proportional to 22,742.06, 34,113.20 and 7,940.59 is: 11,910.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,742.06 : 34,113.20 = 7,940.59 : x
  2. Step 2: Convert to fraction form
    22,742.06/34,113.20 = 7,940.59/x
  3. Step 3: Cross multiply
    22,742.06x = 34,113.20 × 7,940.59
  4. Step 4: Simplify right side
    22,742.06x = 270,878,809.80
  5. Step 5: Solve for x
    x = 270,878,809.80/22,742.06
  6. Step 6: Final answer
    x = 11,910.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.