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Finding the Fourth Proportional to 19,898.73, 27,460.59 and 11,401.59

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Solution

The fourth proportional to 19,898.73, 27,460.59 and 11,401.59 is: 15,734.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.73 : 27,460.59 = 11,401.59 : x
  2. Step 2: Convert to fraction form
    19,898.73/27,460.59 = 11,401.59/x
  3. Step 3: Cross multiply
    19,898.73x = 27,460.59 × 11,401.59
  4. Step 4: Simplify right side
    19,898.73x = 313,094,448.56
  5. Step 5: Solve for x
    x = 313,094,448.56/19,898.73
  6. Step 6: Final answer
    x = 15,734.39

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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.