Home / 18,850.25-26,012.31-10,353.49

Finding the Fourth Proportional to 18,850.25, 26,012.31 and 10,353.49

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Solution

The fourth proportional to 18,850.25, 26,012.31 and 10,353.49 is: 14,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.25 : 26,012.31 = 10,353.49 : x
  2. Step 2: Convert to fraction form
    18,850.25/26,012.31 = 10,353.49/x
  3. Step 3: Cross multiply
    18,850.25x = 26,012.31 × 10,353.49
  4. Step 4: Simplify right side
    18,850.25x = 269,318,145.84
  5. Step 5: Solve for x
    x = 269,318,145.84/18,850.25
  6. Step 6: Final answer
    x = 14,287.24

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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.