Home / 15,261.10-22,884.60-6,940.78

Finding the Fourth Proportional to 15,261.10, 22,884.60 and 6,940.78

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Solution

The fourth proportional to 15,261.10, 22,884.60 and 6,940.78 is: 10,407.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,261.10 : 22,884.60 = 6,940.78 : x
  2. Step 2: Convert to fraction form
    15,261.10/22,884.60 = 6,940.78/x
  3. Step 3: Cross multiply
    15,261.10x = 22,884.60 × 6,940.78
  4. Step 4: Simplify right side
    15,261.10x = 158,836,973.99
  5. Step 5: Solve for x
    x = 158,836,973.99/15,261.10
  6. Step 6: Final answer
    x = 10,407.96

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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.