Home / 17,688.18-26,540.37-11,112.60

Finding the Fourth Proportional to 17,688.18, 26,540.37 and 11,112.60

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Solution

The fourth proportional to 17,688.18, 26,540.37 and 11,112.60 is: 16,673.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.18 : 26,540.37 = 11,112.60 : x
  2. Step 2: Convert to fraction form
    17,688.18/26,540.37 = 11,112.60/x
  3. Step 3: Cross multiply
    17,688.18x = 26,540.37 × 11,112.60
  4. Step 4: Simplify right side
    17,688.18x = 294,932,515.66
  5. Step 5: Solve for x
    x = 294,932,515.66/17,688.18
  6. Step 6: Final answer
    x = 16,673.99

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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.