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Finding the Fourth Proportional to 14,414.03, 19,894.55 and 9,369.48

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Solution

The fourth proportional to 14,414.03, 19,894.55 and 9,369.48 is: 12,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,414.03 : 19,894.55 = 9,369.48 : x
  2. Step 2: Convert to fraction form
    14,414.03/19,894.55 = 9,369.48/x
  3. Step 3: Cross multiply
    14,414.03x = 19,894.55 × 9,369.48
  4. Step 4: Simplify right side
    14,414.03x = 186,401,588.33
  5. Step 5: Solve for x
    x = 186,401,588.33/14,414.03
  6. Step 6: Final answer
    x = 12,931.96

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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.