Home / 19,152.05-28,736.78-8,616.29

Finding the Fourth Proportional to 19,152.05, 28,736.78 and 8,616.29

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Solution

The fourth proportional to 19,152.05, 28,736.78 and 8,616.29 is: 12,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.05 : 28,736.78 = 8,616.29 : x
  2. Step 2: Convert to fraction form
    19,152.05/28,736.78 = 8,616.29/x
  3. Step 3: Cross multiply
    19,152.05x = 28,736.78 × 8,616.29
  4. Step 4: Simplify right side
    19,152.05x = 247,604,387.06
  5. Step 5: Solve for x
    x = 247,604,387.06/19,152.05
  6. Step 6: Final answer
    x = 12,928.35

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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.