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Finding the Fourth Proportional to 13,832.15, 20,719.05 and 9,392.54

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Solution

The fourth proportional to 13,832.15, 20,719.05 and 9,392.54 is: 14,069.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832.15 : 20,719.05 = 9,392.54 : x
  2. Step 2: Convert to fraction form
    13,832.15/20,719.05 = 9,392.54/x
  3. Step 3: Cross multiply
    13,832.15x = 20,719.05 × 9,392.54
  4. Step 4: Simplify right side
    13,832.15x = 194,604,505.89
  5. Step 5: Solve for x
    x = 194,604,505.89/13,832.15
  6. Step 6: Final answer
    x = 14,069.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.