Home / 25,474.71-38,176.46-21,706.81

Finding the Fourth Proportional to 25,474.71, 38,176.46 and 21,706.81

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Solution

The fourth proportional to 25,474.71, 38,176.46 and 21,706.81 is: 32,529.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,474.71 : 38,176.46 = 21,706.81 : x
  2. Step 2: Convert to fraction form
    25,474.71/38,176.46 = 21,706.81/x
  3. Step 3: Cross multiply
    25,474.71x = 38,176.46 × 21,706.81
  4. Step 4: Simplify right side
    25,474.71x = 828,689,163.69
  5. Step 5: Solve for x
    x = 828,689,163.69/25,474.71
  6. Step 6: Final answer
    x = 32,529.88

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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.