Home / 13,591.80-20,378.52-4,704.84

Finding the Fourth Proportional to 13,591.80, 20,378.52 and 4,704.84

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Solution

The fourth proportional to 13,591.80, 20,378.52 and 4,704.84 is: 7,054.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.80 : 20,378.52 = 4,704.84 : x
  2. Step 2: Convert to fraction form
    13,591.80/20,378.52 = 4,704.84/x
  3. Step 3: Cross multiply
    13,591.80x = 20,378.52 × 4,704.84
  4. Step 4: Simplify right side
    13,591.80x = 95,877,676.04
  5. Step 5: Solve for x
    x = 95,877,676.04/13,591.80
  6. Step 6: Final answer
    x = 7,054.08

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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.