Home / 13,085.20-19,624.85-3,725.01

Finding the Fourth Proportional to 13,085.20, 19,624.85 and 3,725.01

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Solution

The fourth proportional to 13,085.20, 19,624.85 and 3,725.01 is: 5,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085.20 : 19,624.85 = 3,725.01 : x
  2. Step 2: Convert to fraction form
    13,085.20/19,624.85 = 3,725.01/x
  3. Step 3: Cross multiply
    13,085.20x = 19,624.85 × 3,725.01
  4. Step 4: Simplify right side
    13,085.20x = 73,102,845.40
  5. Step 5: Solve for x
    x = 73,102,845.40/13,085.20
  6. Step 6: Final answer
    x = 5,586.68

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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.