Home / 25,358.62-38,040.12-6,638.58

Finding the Fourth Proportional to 25,358.62, 38,040.12 and 6,638.58

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Solution

The fourth proportional to 25,358.62, 38,040.12 and 6,638.58 is: 9,958.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,358.62 : 38,040.12 = 6,638.58 : x
  2. Step 2: Convert to fraction form
    25,358.62/38,040.12 = 6,638.58/x
  3. Step 3: Cross multiply
    25,358.62x = 38,040.12 × 6,638.58
  4. Step 4: Simplify right side
    25,358.62x = 252,532,379.83
  5. Step 5: Solve for x
    x = 252,532,379.83/25,358.62
  6. Step 6: Final answer
    x = 9,958.44

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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.