Home / 23,185.40-31,996.57-13,113.64

Finding the Fourth Proportional to 23,185.40, 31,996.57 and 13,113.64

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Solution

The fourth proportional to 23,185.40, 31,996.57 and 13,113.64 is: 18,097.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,185.40 : 31,996.57 = 13,113.64 : x
  2. Step 2: Convert to fraction form
    23,185.40/31,996.57 = 13,113.64/x
  3. Step 3: Cross multiply
    23,185.40x = 31,996.57 × 13,113.64
  4. Step 4: Simplify right side
    23,185.40x = 419,591,442.02
  5. Step 5: Solve for x
    x = 419,591,442.02/23,185.40
  6. Step 6: Final answer
    x = 18,097.23

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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.