Home / 25,912.68-38,818.91-21,702.71

Finding the Fourth Proportional to 25,912.68, 38,818.91 and 21,702.71

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Solution

The fourth proportional to 25,912.68, 38,818.91 and 21,702.71 is: 32,512.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,912.68 : 38,818.91 = 21,702.71 : x
  2. Step 2: Convert to fraction form
    25,912.68/38,818.91 = 21,702.71/x
  3. Step 3: Cross multiply
    25,912.68x = 38,818.91 × 21,702.71
  4. Step 4: Simplify right side
    25,912.68x = 842,475,406.41
  5. Step 5: Solve for x
    x = 842,475,406.41/25,912.68
  6. Step 6: Final answer
    x = 32,512.09

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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.