Home / 18,739.33-25,860.59-11,184.19

Finding the Fourth Proportional to 18,739.33, 25,860.59 and 11,184.19

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Solution

The fourth proportional to 18,739.33, 25,860.59 and 11,184.19 is: 15,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739.33 : 25,860.59 = 11,184.19 : x
  2. Step 2: Convert to fraction form
    18,739.33/25,860.59 = 11,184.19/x
  3. Step 3: Cross multiply
    18,739.33x = 25,860.59 × 11,184.19
  4. Step 4: Simplify right side
    18,739.33x = 289,229,844.68
  5. Step 5: Solve for x
    x = 289,229,844.68/18,739.33
  6. Step 6: Final answer
    x = 15,434.37

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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.