Home / 23,686.08-35,517.60-13,828.56

Finding the Fourth Proportional to 23,686.08, 35,517.60 and 13,828.56

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Solution

The fourth proportional to 23,686.08, 35,517.60 and 13,828.56 is: 20,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,686.08 : 35,517.60 = 13,828.56 : x
  2. Step 2: Convert to fraction form
    23,686.08/35,517.60 = 13,828.56/x
  3. Step 3: Cross multiply
    23,686.08x = 35,517.60 × 13,828.56
  4. Step 4: Simplify right side
    23,686.08x = 491,157,262.66
  5. Step 5: Solve for x
    x = 491,157,262.66/23,686.08
  6. Step 6: Final answer
    x = 20,736.11

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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.