Home / 13,566.38-20,349.38-8,230.83

Finding the Fourth Proportional to 13,566.38, 20,349.38 and 8,230.83

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Solution

The fourth proportional to 13,566.38, 20,349.38 and 8,230.83 is: 12,346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.38 : 20,349.38 = 8,230.83 : x
  2. Step 2: Convert to fraction form
    13,566.38/20,349.38 = 8,230.83/x
  3. Step 3: Cross multiply
    13,566.38x = 20,349.38 × 8,230.83
  4. Step 4: Simplify right side
    13,566.38x = 167,492,246.23
  5. Step 5: Solve for x
    x = 167,492,246.23/13,566.38
  6. Step 6: Final answer
    x = 12,346.13

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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.