Home / 25,662.92-38,461.98-12,519.40

Finding the Fourth Proportional to 25,662.92, 38,461.98 and 12,519.40

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Solution

The fourth proportional to 25,662.92, 38,461.98 and 12,519.40 is: 18,763.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,662.92 : 38,461.98 = 12,519.40 : x
  2. Step 2: Convert to fraction form
    25,662.92/38,461.98 = 12,519.40/x
  3. Step 3: Cross multiply
    25,662.92x = 38,461.98 × 12,519.40
  4. Step 4: Simplify right side
    25,662.92x = 481,520,912.41
  5. Step 5: Solve for x
    x = 481,520,912.41/25,662.92
  6. Step 6: Final answer
    x = 18,763.29

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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.