Home / 13,369.54-20,054.98-3,508.84

Finding the Fourth Proportional to 13,369.54, 20,054.98 and 3,508.84

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Solution

The fourth proportional to 13,369.54, 20,054.98 and 3,508.84 is: 5,263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.54 : 20,054.98 = 3,508.84 : x
  2. Step 2: Convert to fraction form
    13,369.54/20,054.98 = 3,508.84/x
  3. Step 3: Cross multiply
    13,369.54x = 20,054.98 × 3,508.84
  4. Step 4: Simplify right side
    13,369.54x = 70,369,716.02
  5. Step 5: Solve for x
    x = 70,369,716.02/13,369.54
  6. Step 6: Final answer
    x = 5,263.44

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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.