Home / 13,115.92-19,673.58-3,255.04

Finding the Fourth Proportional to 13,115.92, 19,673.58 and 3,255.04

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Solution

The fourth proportional to 13,115.92, 19,673.58 and 3,255.04 is: 4,882.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115.92 : 19,673.58 = 3,255.04 : x
  2. Step 2: Convert to fraction form
    13,115.92/19,673.58 = 3,255.04/x
  3. Step 3: Cross multiply
    13,115.92x = 19,673.58 × 3,255.04
  4. Step 4: Simplify right side
    13,115.92x = 64,038,289.84
  5. Step 5: Solve for x
    x = 64,038,289.84/13,115.92
  6. Step 6: Final answer
    x = 4,882.49

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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.