Home / 14,771.10-22,159.44-4,778.54

Finding the Fourth Proportional to 14,771.10, 22,159.44 and 4,778.54

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Solution

The fourth proportional to 14,771.10, 22,159.44 and 4,778.54 is: 7,168.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.10 : 22,159.44 = 4,778.54 : x
  2. Step 2: Convert to fraction form
    14,771.10/22,159.44 = 4,778.54/x
  3. Step 3: Cross multiply
    14,771.10x = 22,159.44 × 4,778.54
  4. Step 4: Simplify right side
    14,771.10x = 105,889,770.42
  5. Step 5: Solve for x
    x = 105,889,770.42/14,771.10
  6. Step 6: Final answer
    x = 7,168.71

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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.