Home / 19,316.85-28,975.97-6,838.19

Finding the Fourth Proportional to 19,316.85, 28,975.97 and 6,838.19

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Solution

The fourth proportional to 19,316.85, 28,975.97 and 6,838.19 is: 10,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.85 : 28,975.97 = 6,838.19 : x
  2. Step 2: Convert to fraction form
    19,316.85/28,975.97 = 6,838.19/x
  3. Step 3: Cross multiply
    19,316.85x = 28,975.97 × 6,838.19
  4. Step 4: Simplify right side
    19,316.85x = 198,143,188.29
  5. Step 5: Solve for x
    x = 198,143,188.29/19,316.85
  6. Step 6: Final answer
    x = 10,257.53

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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.