Home / 16,945.88-23,386.14-10,231.38

Finding the Fourth Proportional to 16,945.88, 23,386.14 and 10,231.38

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Solution

The fourth proportional to 16,945.88, 23,386.14 and 10,231.38 is: 14,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.88 : 23,386.14 = 10,231.38 : x
  2. Step 2: Convert to fraction form
    16,945.88/23,386.14 = 10,231.38/x
  3. Step 3: Cross multiply
    16,945.88x = 23,386.14 × 10,231.38
  4. Step 4: Simplify right side
    16,945.88x = 239,272,485.07
  5. Step 5: Solve for x
    x = 239,272,485.07/16,945.88
  6. Step 6: Final answer
    x = 14,119.81

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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.