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Finding the Fourth Proportional to 14,058.78, 19,401.03 and 7,771.14

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Solution

The fourth proportional to 14,058.78, 19,401.03 and 7,771.14 is: 10,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.78 : 19,401.03 = 7,771.14 : x
  2. Step 2: Convert to fraction form
    14,058.78/19,401.03 = 7,771.14/x
  3. Step 3: Cross multiply
    14,058.78x = 19,401.03 × 7,771.14
  4. Step 4: Simplify right side
    14,058.78x = 150,768,120.27
  5. Step 5: Solve for x
    x = 150,768,120.27/14,058.78
  6. Step 6: Final answer
    x = 10,724.13

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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.