Home / 13,748.94-20,624.76-3,888.27

Finding the Fourth Proportional to 13,748.94, 20,624.76 and 3,888.27

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Solution

The fourth proportional to 13,748.94, 20,624.76 and 3,888.27 is: 5,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.94 : 20,624.76 = 3,888.27 : x
  2. Step 2: Convert to fraction form
    13,748.94/20,624.76 = 3,888.27/x
  3. Step 3: Cross multiply
    13,748.94x = 20,624.76 × 3,888.27
  4. Step 4: Simplify right side
    13,748.94x = 80,194,635.57
  5. Step 5: Solve for x
    x = 80,194,635.57/13,748.94
  6. Step 6: Final answer
    x = 5,832.79

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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.