Home / 12,294.48-18,441.60-3,529.44

Finding the Fourth Proportional to 12,294.48, 18,441.60 and 3,529.44

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Solution

The fourth proportional to 12,294.48, 18,441.60 and 3,529.44 is: 5,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294.48 : 18,441.60 = 3,529.44 : x
  2. Step 2: Convert to fraction form
    12,294.48/18,441.60 = 3,529.44/x
  3. Step 3: Cross multiply
    12,294.48x = 18,441.60 × 3,529.44
  4. Step 4: Simplify right side
    12,294.48x = 65,088,520.70
  5. Step 5: Solve for x
    x = 65,088,520.70/12,294.48
  6. Step 6: Final answer
    x = 5,294.13

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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.