Home / 25,329.51-37,968.68-12,174.71

Finding the Fourth Proportional to 25,329.51, 37,968.68 and 12,174.71

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Solution

The fourth proportional to 25,329.51, 37,968.68 and 12,174.71 is: 18,249.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,329.51 : 37,968.68 = 12,174.71 : x
  2. Step 2: Convert to fraction form
    25,329.51/37,968.68 = 12,174.71/x
  3. Step 3: Cross multiply
    25,329.51x = 37,968.68 × 12,174.71
  4. Step 4: Simplify right side
    25,329.51x = 462,257,508.68
  5. Step 5: Solve for x
    x = 462,257,508.68/25,329.51
  6. Step 6: Final answer
    x = 18,249.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.