Home / 25,398.42-38,107.35-12,249.69

Finding the Fourth Proportional to 25,398.42, 38,107.35 and 12,249.69

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Solution

The fourth proportional to 25,398.42, 38,107.35 and 12,249.69 is: 18,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,398.42 : 38,107.35 = 12,249.69 : x
  2. Step 2: Convert to fraction form
    25,398.42/38,107.35 = 12,249.69/x
  3. Step 3: Cross multiply
    25,398.42x = 38,107.35 × 12,249.69
  4. Step 4: Simplify right side
    25,398.42x = 466,803,224.22
  5. Step 5: Solve for x
    x = 466,803,224.22/25,398.42
  6. Step 6: Final answer
    x = 18,379.22

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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.