Home / 19,192.68-28,792.92-8,099.40

Finding the Fourth Proportional to 19,192.68, 28,792.92 and 8,099.40

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Solution

The fourth proportional to 19,192.68, 28,792.92 and 8,099.40 is: 12,150.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192.68 : 28,792.92 = 8,099.40 : x
  2. Step 2: Convert to fraction form
    19,192.68/28,792.92 = 8,099.40/x
  3. Step 3: Cross multiply
    19,192.68x = 28,792.92 × 8,099.40
  4. Step 4: Simplify right side
    19,192.68x = 233,205,376.25
  5. Step 5: Solve for x
    x = 233,205,376.25/19,192.68
  6. Step 6: Final answer
    x = 12,150.75

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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.