Home / 18,601.48-25,670.82-10,642.60

Finding the Fourth Proportional to 18,601.48, 25,670.82 and 10,642.60

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Solution

The fourth proportional to 18,601.48, 25,670.82 and 10,642.60 is: 14,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.48 : 25,670.82 = 10,642.60 : x
  2. Step 2: Convert to fraction form
    18,601.48/25,670.82 = 10,642.60/x
  3. Step 3: Cross multiply
    18,601.48x = 25,670.82 × 10,642.60
  4. Step 4: Simplify right side
    18,601.48x = 273,204,268.93
  5. Step 5: Solve for x
    x = 273,204,268.93/18,601.48
  6. Step 6: Final answer
    x = 14,687.23

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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.