Home / 14,650.36-20,217.52-8,684.96

Finding the Fourth Proportional to 14,650.36, 20,217.52 and 8,684.96

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Solution

The fourth proportional to 14,650.36, 20,217.52 and 8,684.96 is: 11,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.36 : 20,217.52 = 8,684.96 : x
  2. Step 2: Convert to fraction form
    14,650.36/20,217.52 = 8,684.96/x
  3. Step 3: Cross multiply
    14,650.36x = 20,217.52 × 8,684.96
  4. Step 4: Simplify right side
    14,650.36x = 175,588,352.50
  5. Step 5: Solve for x
    x = 175,588,352.50/14,650.36
  6. Step 6: Final answer
    x = 11,985.26

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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.