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Finding the Fourth Proportional to 14,203.11, 19,599.13 and 8,235.16

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Solution

The fourth proportional to 14,203.11, 19,599.13 and 8,235.16 is: 11,363.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.11 : 19,599.13 = 8,235.16 : x
  2. Step 2: Convert to fraction form
    14,203.11/19,599.13 = 8,235.16/x
  3. Step 3: Cross multiply
    14,203.11x = 19,599.13 × 8,235.16
  4. Step 4: Simplify right side
    14,203.11x = 161,401,971.41
  5. Step 5: Solve for x
    x = 161,401,971.41/14,203.11
  6. Step 6: Final answer
    x = 11,363.85

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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.