Home / 13,946.10-20,919.10-6,550.52

Finding the Fourth Proportional to 13,946.10, 20,919.10 and 6,550.52

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Solution

The fourth proportional to 13,946.10, 20,919.10 and 6,550.52 is: 9,825.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.10 : 20,919.10 = 6,550.52 : x
  2. Step 2: Convert to fraction form
    13,946.10/20,919.10 = 6,550.52/x
  3. Step 3: Cross multiply
    13,946.10x = 20,919.10 × 6,550.52
  4. Step 4: Simplify right side
    13,946.10x = 137,030,982.93
  5. Step 5: Solve for x
    x = 137,030,982.93/13,946.10
  6. Step 6: Final answer
    x = 9,825.76

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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.