Home / 13,441.41-20,162.45-3,580.67

Finding the Fourth Proportional to 13,441.41, 20,162.45 and 3,580.67

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Solution

The fourth proportional to 13,441.41, 20,162.45 and 3,580.67 is: 5,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.41 : 20,162.45 = 3,580.67 : x
  2. Step 2: Convert to fraction form
    13,441.41/20,162.45 = 3,580.67/x
  3. Step 3: Cross multiply
    13,441.41x = 20,162.45 × 3,580.67
  4. Step 4: Simplify right side
    13,441.41x = 72,195,139.20
  5. Step 5: Solve for x
    x = 72,195,139.20/13,441.41
  6. Step 6: Final answer
    x = 5,371.10

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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.