Home / 13,313.18-19,972.12-4,546.04

Finding the Fourth Proportional to 13,313.18, 19,972.12 and 4,546.04

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Solution

The fourth proportional to 13,313.18, 19,972.12 and 4,546.04 is: 6,819.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.18 : 19,972.12 = 4,546.04 : x
  2. Step 2: Convert to fraction form
    13,313.18/19,972.12 = 4,546.04/x
  3. Step 3: Cross multiply
    13,313.18x = 19,972.12 × 4,546.04
  4. Step 4: Simplify right side
    13,313.18x = 90,794,056.40
  5. Step 5: Solve for x
    x = 90,794,056.40/13,313.18
  6. Step 6: Final answer
    x = 6,819.86

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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.