Home / 15,578.20-23,367.30-12,496.60

Finding the Fourth Proportional to 15,578.20, 23,367.30 and 12,496.60

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Solution

The fourth proportional to 15,578.20, 23,367.30 and 12,496.60 is: 18,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578.20 : 23,367.30 = 12,496.60 : x
  2. Step 2: Convert to fraction form
    15,578.20/23,367.30 = 12,496.60/x
  3. Step 3: Cross multiply
    15,578.20x = 23,367.30 × 12,496.60
  4. Step 4: Simplify right side
    15,578.20x = 292,011,801.18
  5. Step 5: Solve for x
    x = 292,011,801.18/15,578.20
  6. Step 6: Final answer
    x = 18,744.90

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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.