Home / 15,726.20-23,574.71-8,324.42

Finding the Fourth Proportional to 15,726.20, 23,574.71 and 8,324.42

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Solution

The fourth proportional to 15,726.20, 23,574.71 and 8,324.42 is: 12,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726.20 : 23,574.71 = 8,324.42 : x
  2. Step 2: Convert to fraction form
    15,726.20/23,574.71 = 8,324.42/x
  3. Step 3: Cross multiply
    15,726.20x = 23,574.71 × 8,324.42
  4. Step 4: Simplify right side
    15,726.20x = 196,245,690.36
  5. Step 5: Solve for x
    x = 196,245,690.36/15,726.20
  6. Step 6: Final answer
    x = 12,478.90

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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.