Home / 13,874.87-19,153.56-8,845.83

Finding the Fourth Proportional to 13,874.87, 19,153.56 and 8,845.83

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Solution

The fourth proportional to 13,874.87, 19,153.56 and 8,845.83 is: 12,211.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874.87 : 19,153.56 = 8,845.83 : x
  2. Step 2: Convert to fraction form
    13,874.87/19,153.56 = 8,845.83/x
  3. Step 3: Cross multiply
    13,874.87x = 19,153.56 × 8,845.83
  4. Step 4: Simplify right side
    13,874.87x = 169,429,222.70
  5. Step 5: Solve for x
    x = 169,429,222.70/13,874.87
  6. Step 6: Final answer
    x = 12,211.23

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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.