Home / 13,475.53-20,188.66-9,768.56

Finding the Fourth Proportional to 13,475.53, 20,188.66 and 9,768.56

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Solution

The fourth proportional to 13,475.53, 20,188.66 and 9,768.56 is: 14,634.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.53 : 20,188.66 = 9,768.56 : x
  2. Step 2: Convert to fraction form
    13,475.53/20,188.66 = 9,768.56/x
  3. Step 3: Cross multiply
    13,475.53x = 20,188.66 × 9,768.56
  4. Step 4: Simplify right side
    13,475.53x = 197,214,211.42
  5. Step 5: Solve for x
    x = 197,214,211.42/13,475.53
  6. Step 6: Final answer
    x = 14,634.99

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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.