Home / 13,951.69-20,919.66-4,589.18

Finding the Fourth Proportional to 13,951.69, 20,919.66 and 4,589.18

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Solution

The fourth proportional to 13,951.69, 20,919.66 and 4,589.18 is: 6,881.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.69 : 20,919.66 = 4,589.18 : x
  2. Step 2: Convert to fraction form
    13,951.69/20,919.66 = 4,589.18/x
  3. Step 3: Cross multiply
    13,951.69x = 20,919.66 × 4,589.18
  4. Step 4: Simplify right side
    13,951.69x = 96,004,085.28
  5. Step 5: Solve for x
    x = 96,004,085.28/13,951.69
  6. Step 6: Final answer
    x = 6,881.18

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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.