Home / 19,099.96-28,644.10-6,617.06

Finding the Fourth Proportional to 19,099.96, 28,644.10 and 6,617.06

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Solution

The fourth proportional to 19,099.96, 28,644.10 and 6,617.06 is: 9,923.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099.96 : 28,644.10 = 6,617.06 : x
  2. Step 2: Convert to fraction form
    19,099.96/28,644.10 = 6,617.06/x
  3. Step 3: Cross multiply
    19,099.96x = 28,644.10 × 6,617.06
  4. Step 4: Simplify right side
    19,099.96x = 189,539,814.43
  5. Step 5: Solve for x
    x = 189,539,814.43/19,099.96
  6. Step 6: Final answer
    x = 9,923.57

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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.