Home / 13,364.39-20,035.65-5,039.67

Finding the Fourth Proportional to 13,364.39, 20,035.65 and 5,039.67

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Solution

The fourth proportional to 13,364.39, 20,035.65 and 5,039.67 is: 7,555.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.39 : 20,035.65 = 5,039.67 : x
  2. Step 2: Convert to fraction form
    13,364.39/20,035.65 = 5,039.67/x
  3. Step 3: Cross multiply
    13,364.39x = 20,035.65 × 5,039.67
  4. Step 4: Simplify right side
    13,364.39x = 100,973,045.57
  5. Step 5: Solve for x
    x = 100,973,045.57/13,364.39
  6. Step 6: Final answer
    x = 7,555.38

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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.