Home / 13,933.84-20,900.77-4,699.84

Finding the Fourth Proportional to 13,933.84, 20,900.77 and 4,699.84

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Solution

The fourth proportional to 13,933.84, 20,900.77 and 4,699.84 is: 7,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.84 : 20,900.77 = 4,699.84 : x
  2. Step 2: Convert to fraction form
    13,933.84/20,900.77 = 4,699.84/x
  3. Step 3: Cross multiply
    13,933.84x = 20,900.77 × 4,699.84
  4. Step 4: Simplify right side
    13,933.84x = 98,230,274.88
  5. Step 5: Solve for x
    x = 98,230,274.88/13,933.84
  6. Step 6: Final answer
    x = 7,049.76

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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.