Home / 18,610.48-25,681.62-11,537.56

Finding the Fourth Proportional to 18,610.48, 25,681.62 and 11,537.56

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Solution

The fourth proportional to 18,610.48, 25,681.62 and 11,537.56 is: 15,921.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.48 : 25,681.62 = 11,537.56 : x
  2. Step 2: Convert to fraction form
    18,610.48/25,681.62 = 11,537.56/x
  3. Step 3: Cross multiply
    18,610.48x = 25,681.62 × 11,537.56
  4. Step 4: Simplify right side
    18,610.48x = 296,303,231.65
  5. Step 5: Solve for x
    x = 296,303,231.65/18,610.48
  6. Step 6: Final answer
    x = 15,921.31

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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.