Home / 13,399.08-20,100.54-4,631.94

Finding the Fourth Proportional to 13,399.08, 20,100.54 and 4,631.94

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Solution

The fourth proportional to 13,399.08, 20,100.54 and 4,631.94 is: 6,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.08 : 20,100.54 = 4,631.94 : x
  2. Step 2: Convert to fraction form
    13,399.08/20,100.54 = 4,631.94/x
  3. Step 3: Cross multiply
    13,399.08x = 20,100.54 × 4,631.94
  4. Step 4: Simplify right side
    13,399.08x = 93,104,495.25
  5. Step 5: Solve for x
    x = 93,104,495.25/13,399.08
  6. Step 6: Final answer
    x = 6,948.57

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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.