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Finding the Fourth Proportional to 13,794.15, 19,039.95 and 9,014.79

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Solution

The fourth proportional to 13,794.15, 19,039.95 and 9,014.79 is: 12,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.15 : 19,039.95 = 9,014.79 : x
  2. Step 2: Convert to fraction form
    13,794.15/19,039.95 = 9,014.79/x
  3. Step 3: Cross multiply
    13,794.15x = 19,039.95 × 9,014.79
  4. Step 4: Simplify right side
    13,794.15x = 171,641,222.26
  5. Step 5: Solve for x
    x = 171,641,222.26/13,794.15
  6. Step 6: Final answer
    x = 12,443.04

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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.