Home / 14,771.90-22,157.67-3,678.68

Finding the Fourth Proportional to 14,771.90, 22,157.67 and 3,678.68

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Solution

The fourth proportional to 14,771.90, 22,157.67 and 3,678.68 is: 5,517.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.90 : 22,157.67 = 3,678.68 : x
  2. Step 2: Convert to fraction form
    14,771.90/22,157.67 = 3,678.68/x
  3. Step 3: Cross multiply
    14,771.90x = 22,157.67 × 3,678.68
  4. Step 4: Simplify right side
    14,771.90x = 81,510,977.48
  5. Step 5: Solve for x
    x = 81,510,977.48/14,771.90
  6. Step 6: Final answer
    x = 5,517.98

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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.