Home / 13,535.58-20,306.49-4,770.57

Finding the Fourth Proportional to 13,535.58, 20,306.49 and 4,770.57

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Solution

The fourth proportional to 13,535.58, 20,306.49 and 4,770.57 is: 7,156.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.58 : 20,306.49 = 4,770.57 : x
  2. Step 2: Convert to fraction form
    13,535.58/20,306.49 = 4,770.57/x
  3. Step 3: Cross multiply
    13,535.58x = 20,306.49 × 4,770.57
  4. Step 4: Simplify right side
    13,535.58x = 96,873,532.00
  5. Step 5: Solve for x
    x = 96,873,532.00/13,535.58
  6. Step 6: Final answer
    x = 7,156.95

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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.