Home / 14,771.66-22,176.81-8,778.71

Finding the Fourth Proportional to 14,771.66, 22,176.81 and 8,778.71

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Solution

The fourth proportional to 14,771.66, 22,176.81 and 8,778.71 is: 13,179.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.66 : 22,176.81 = 8,778.71 : x
  2. Step 2: Convert to fraction form
    14,771.66/22,176.81 = 8,778.71/x
  3. Step 3: Cross multiply
    14,771.66x = 22,176.81 × 8,778.71
  4. Step 4: Simplify right side
    14,771.66x = 194,683,672.83
  5. Step 5: Solve for x
    x = 194,683,672.83/14,771.66
  6. Step 6: Final answer
    x = 13,179.54

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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.