Home / 18,610.06-25,681.94-10,112.12

Finding the Fourth Proportional to 18,610.06, 25,681.94 and 10,112.12

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Solution

The fourth proportional to 18,610.06, 25,681.94 and 10,112.12 is: 13,954.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.06 : 25,681.94 = 10,112.12 : x
  2. Step 2: Convert to fraction form
    18,610.06/25,681.94 = 10,112.12/x
  3. Step 3: Cross multiply
    18,610.06x = 25,681.94 × 10,112.12
  4. Step 4: Simplify right side
    18,610.06x = 259,698,859.11
  5. Step 5: Solve for x
    x = 259,698,859.11/18,610.06
  6. Step 6: Final answer
    x = 13,954.76

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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.