Home / 13,375.56-20,065.50-10,932.60

Finding the Fourth Proportional to 13,375.56, 20,065.50 and 10,932.60

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Solution

The fourth proportional to 13,375.56, 20,065.50 and 10,932.60 is: 16,400.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375.56 : 20,065.50 = 10,932.60 : x
  2. Step 2: Convert to fraction form
    13,375.56/20,065.50 = 10,932.60/x
  3. Step 3: Cross multiply
    13,375.56x = 20,065.50 × 10,932.60
  4. Step 4: Simplify right side
    13,375.56x = 219,368,085.30
  5. Step 5: Solve for x
    x = 219,368,085.30/13,375.56
  6. Step 6: Final answer
    x = 16,400.67

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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.