Home / 25,582.35-38,370.85-6,864.39

Finding the Fourth Proportional to 25,582.35, 38,370.85 and 6,864.39

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Solution

The fourth proportional to 25,582.35, 38,370.85 and 6,864.39 is: 10,295.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,582.35 : 38,370.85 = 6,864.39 : x
  2. Step 2: Convert to fraction form
    25,582.35/38,370.85 = 6,864.39/x
  3. Step 3: Cross multiply
    25,582.35x = 38,370.85 × 6,864.39
  4. Step 4: Simplify right side
    25,582.35x = 263,392,479.03
  5. Step 5: Solve for x
    x = 263,392,479.03/25,582.35
  6. Step 6: Final answer
    x = 10,295.87

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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.