Home / 14,811.66-22,191.57-12,469.14

Finding the Fourth Proportional to 14,811.66, 22,191.57 and 12,469.14

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Solution

The fourth proportional to 14,811.66, 22,191.57 and 12,469.14 is: 18,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.66 : 22,191.57 = 12,469.14 : x
  2. Step 2: Convert to fraction form
    14,811.66/22,191.57 = 12,469.14/x
  3. Step 3: Cross multiply
    14,811.66x = 22,191.57 × 12,469.14
  4. Step 4: Simplify right side
    14,811.66x = 276,709,793.15
  5. Step 5: Solve for x
    x = 276,709,793.15/14,811.66
  6. Step 6: Final answer
    x = 18,681.89

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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.