Home / 19,874.87-27,451.56-14,861.27

Finding the Fourth Proportional to 19,874.87, 27,451.56 and 14,861.27

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Solution

The fourth proportional to 19,874.87, 27,451.56 and 14,861.27 is: 20,526.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.87 : 27,451.56 = 14,861.27 : x
  2. Step 2: Convert to fraction form
    19,874.87/27,451.56 = 14,861.27/x
  3. Step 3: Cross multiply
    19,874.87x = 27,451.56 × 14,861.27
  4. Step 4: Simplify right side
    19,874.87x = 407,965,085.85
  5. Step 5: Solve for x
    x = 407,965,085.85/19,874.87
  6. Step 6: Final answer
    x = 20,526.68

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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.