Home / 13,951.89-20,930.94-4,591.53

Finding the Fourth Proportional to 13,951.89, 20,930.94 and 4,591.53

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Solution

The fourth proportional to 13,951.89, 20,930.94 and 4,591.53 is: 6,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.89 : 20,930.94 = 4,591.53 : x
  2. Step 2: Convert to fraction form
    13,951.89/20,930.94 = 4,591.53/x
  3. Step 3: Cross multiply
    13,951.89x = 20,930.94 × 4,591.53
  4. Step 4: Simplify right side
    13,951.89x = 96,105,038.94
  5. Step 5: Solve for x
    x = 96,105,038.94/13,951.89
  6. Step 6: Final answer
    x = 6,888.32

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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.