Home / 13,622.14-18,793.11-8,585.02

Finding the Fourth Proportional to 13,622.14, 18,793.11 and 8,585.02

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Solution

The fourth proportional to 13,622.14, 18,793.11 and 8,585.02 is: 11,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.14 : 18,793.11 = 8,585.02 : x
  2. Step 2: Convert to fraction form
    13,622.14/18,793.11 = 8,585.02/x
  3. Step 3: Cross multiply
    13,622.14x = 18,793.11 × 8,585.02
  4. Step 4: Simplify right side
    13,622.14x = 161,339,225.21
  5. Step 5: Solve for x
    x = 161,339,225.21/13,622.14
  6. Step 6: Final answer
    x = 11,843.90

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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.