Home / 25,120.46-37,679.96-6,400.42

Finding the Fourth Proportional to 25,120.46, 37,679.96 and 6,400.42

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Solution

The fourth proportional to 25,120.46, 37,679.96 and 6,400.42 is: 9,600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.46 : 37,679.96 = 6,400.42 : x
  2. Step 2: Convert to fraction form
    25,120.46/37,679.96 = 6,400.42/x
  3. Step 3: Cross multiply
    25,120.46x = 37,679.96 × 6,400.42
  4. Step 4: Simplify right side
    25,120.46x = 241,167,569.58
  5. Step 5: Solve for x
    x = 241,167,569.58/25,120.46
  6. Step 6: Final answer
    x = 9,600.44

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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.