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Finding the Fourth Proportional to 13,363.92, 20,048.58 and 9,205.92

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Solution

The fourth proportional to 13,363.92, 20,048.58 and 9,205.92 is: 13,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.92 : 20,048.58 = 9,205.92 : x
  2. Step 2: Convert to fraction form
    13,363.92/20,048.58 = 9,205.92/x
  3. Step 3: Cross multiply
    13,363.92x = 20,048.58 × 9,205.92
  4. Step 4: Simplify right side
    13,363.92x = 184,565,623.59
  5. Step 5: Solve for x
    x = 184,565,623.59/13,363.92
  6. Step 6: Final answer
    x = 13,810.74

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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.