Home / 14,313.78-21,470.60-4,453.04

Finding the Fourth Proportional to 14,313.78, 21,470.60 and 4,453.04

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Solution

The fourth proportional to 14,313.78, 21,470.60 and 4,453.04 is: 6,679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.78 : 21,470.60 = 4,453.04 : x
  2. Step 2: Convert to fraction form
    14,313.78/21,470.60 = 4,453.04/x
  3. Step 3: Cross multiply
    14,313.78x = 21,470.60 × 4,453.04
  4. Step 4: Simplify right side
    14,313.78x = 95,609,505.43
  5. Step 5: Solve for x
    x = 95,609,505.43/14,313.78
  6. Step 6: Final answer
    x = 6,679.54

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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.