Home / 19,039.20-26,274.12-11,086.75

Finding the Fourth Proportional to 19,039.20, 26,274.12 and 11,086.75

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Solution

The fourth proportional to 19,039.20, 26,274.12 and 11,086.75 is: 15,299.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.20 : 26,274.12 = 11,086.75 : x
  2. Step 2: Convert to fraction form
    19,039.20/26,274.12 = 11,086.75/x
  3. Step 3: Cross multiply
    19,039.20x = 26,274.12 × 11,086.75
  4. Step 4: Simplify right side
    19,039.20x = 291,294,599.91
  5. Step 5: Solve for x
    x = 291,294,599.91/19,039.20
  6. Step 6: Final answer
    x = 15,299.73

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Half scale
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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.