Home / 25,474.71-38,219.66-12,157.70

Finding the Fourth Proportional to 25,474.71, 38,219.66 and 12,157.70

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Solution

The fourth proportional to 25,474.71, 38,219.66 and 12,157.70 is: 18,240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,474.71 : 38,219.66 = 12,157.70 : x
  2. Step 2: Convert to fraction form
    25,474.71/38,219.66 = 12,157.70/x
  3. Step 3: Cross multiply
    25,474.71x = 38,219.66 × 12,157.70
  4. Step 4: Simplify right side
    25,474.71x = 464,663,099.59
  5. Step 5: Solve for x
    x = 464,663,099.59/25,474.71
  6. Step 6: Final answer
    x = 18,240.17

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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.