Home / 25,933.14-38,899.44-8,402.58

Finding the Fourth Proportional to 25,933.14, 38,899.44 and 8,402.58

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Solution

The fourth proportional to 25,933.14, 38,899.44 and 8,402.58 is: 12,603.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,933.14 : 38,899.44 = 8,402.58 : x
  2. Step 2: Convert to fraction form
    25,933.14/38,899.44 = 8,402.58/x
  3. Step 3: Cross multiply
    25,933.14x = 38,899.44 × 8,402.58
  4. Step 4: Simplify right side
    25,933.14x = 326,855,656.56
  5. Step 5: Solve for x
    x = 326,855,656.56/25,933.14
  6. Step 6: Final answer
    x = 12,603.78

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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.