Home / 19,155.96-28,723.97-8,616.84

Finding the Fourth Proportional to 19,155.96, 28,723.97 and 8,616.84

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Solution

The fourth proportional to 19,155.96, 28,723.97 and 8,616.84 is: 12,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.96 : 28,723.97 = 8,616.84 : x
  2. Step 2: Convert to fraction form
    19,155.96/28,723.97 = 8,616.84/x
  3. Step 3: Cross multiply
    19,155.96x = 28,723.97 × 8,616.84
  4. Step 4: Simplify right side
    19,155.96x = 247,509,810.57
  5. Step 5: Solve for x
    x = 247,509,810.57/19,155.96
  6. Step 6: Final answer
    x = 12,920.77

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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.