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Finding the Fourth Proportional to 14,468.11, 19,960.11 and 9,430.56

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Solution

The fourth proportional to 14,468.11, 19,960.11 and 9,430.56 is: 13,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,468.11 : 19,960.11 = 9,430.56 : x
  2. Step 2: Convert to fraction form
    14,468.11/19,960.11 = 9,430.56/x
  3. Step 3: Cross multiply
    14,468.11x = 19,960.11 × 9,430.56
  4. Step 4: Simplify right side
    14,468.11x = 188,235,014.96
  5. Step 5: Solve for x
    x = 188,235,014.96/14,468.11
  6. Step 6: Final answer
    x = 13,010.34

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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.