Home / 25,157.32-37,742.79-8,517.35

Finding the Fourth Proportional to 25,157.32, 37,742.79 and 8,517.35

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Solution

The fourth proportional to 25,157.32, 37,742.79 and 8,517.35 is: 12,778.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,157.32 : 37,742.79 = 8,517.35 : x
  2. Step 2: Convert to fraction form
    25,157.32/37,742.79 = 8,517.35/x
  3. Step 3: Cross multiply
    25,157.32x = 37,742.79 × 8,517.35
  4. Step 4: Simplify right side
    25,157.32x = 321,468,509.82
  5. Step 5: Solve for x
    x = 321,468,509.82/25,157.32
  6. Step 6: Final answer
    x = 12,778.33

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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.