Home / 14,940.48-20,618.34-8,226.42

Finding the Fourth Proportional to 14,940.48, 20,618.34 and 8,226.42

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Solution

The fourth proportional to 14,940.48, 20,618.34 and 8,226.42 is: 11,352.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.48 : 20,618.34 = 8,226.42 : x
  2. Step 2: Convert to fraction form
    14,940.48/20,618.34 = 8,226.42/x
  3. Step 3: Cross multiply
    14,940.48x = 20,618.34 × 8,226.42
  4. Step 4: Simplify right side
    14,940.48x = 169,615,124.54
  5. Step 5: Solve for x
    x = 169,615,124.54/14,940.48
  6. Step 6: Final answer
    x = 11,352.72

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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.