Home / 13,376.96-20,066.16-3,516.32

Finding the Fourth Proportional to 13,376.96, 20,066.16 and 3,516.32

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Solution

The fourth proportional to 13,376.96, 20,066.16 and 3,516.32 is: 5,274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.96 : 20,066.16 = 3,516.32 : x
  2. Step 2: Convert to fraction form
    13,376.96/20,066.16 = 3,516.32/x
  3. Step 3: Cross multiply
    13,376.96x = 20,066.16 × 3,516.32
  4. Step 4: Simplify right side
    13,376.96x = 70,559,039.73
  5. Step 5: Solve for x
    x = 70,559,039.73/13,376.96
  6. Step 6: Final answer
    x = 5,274.67

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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.