Home / 25,450.92-35,123.21-15,377.41

Finding the Fourth Proportional to 25,450.92, 35,123.21 and 15,377.41

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Solution

The fourth proportional to 25,450.92, 35,123.21 and 15,377.41 is: 21,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.92 : 35,123.21 = 15,377.41 : x
  2. Step 2: Convert to fraction form
    25,450.92/35,123.21 = 15,377.41/x
  3. Step 3: Cross multiply
    25,450.92x = 35,123.21 × 15,377.41
  4. Step 4: Simplify right side
    25,450.92x = 540,103,984.05
  5. Step 5: Solve for x
    x = 540,103,984.05/25,450.92
  6. Step 6: Final answer
    x = 21,221.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.