Home / 13,566.27-20,354.76-4,207.02

Finding the Fourth Proportional to 13,566.27, 20,354.76 and 4,207.02

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Solution

The fourth proportional to 13,566.27, 20,354.76 and 4,207.02 is: 6,312.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.27 : 20,354.76 = 4,207.02 : x
  2. Step 2: Convert to fraction form
    13,566.27/20,354.76 = 4,207.02/x
  3. Step 3: Cross multiply
    13,566.27x = 20,354.76 × 4,207.02
  4. Step 4: Simplify right side
    13,566.27x = 85,632,882.42
  5. Step 5: Solve for x
    x = 85,632,882.42/13,566.27
  6. Step 6: Final answer
    x = 6,312.19

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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.