Home / 13,099.52-19,647.46-4,215.75

Finding the Fourth Proportional to 13,099.52, 19,647.46 and 4,215.75

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Solution

The fourth proportional to 13,099.52, 19,647.46 and 4,215.75 is: 6,323.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.52 : 19,647.46 = 4,215.75 : x
  2. Step 2: Convert to fraction form
    13,099.52/19,647.46 = 4,215.75/x
  3. Step 3: Cross multiply
    13,099.52x = 19,647.46 × 4,215.75
  4. Step 4: Simplify right side
    13,099.52x = 82,828,711.09
  5. Step 5: Solve for x
    x = 82,828,711.09/13,099.52
  6. Step 6: Final answer
    x = 6,323.03

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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.