Home / 18,572.69-27,854.66-11,078.35

Finding the Fourth Proportional to 18,572.69, 27,854.66 and 11,078.35

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Solution

The fourth proportional to 18,572.69, 27,854.66 and 11,078.35 is: 16,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.69 : 27,854.66 = 11,078.35 : x
  2. Step 2: Convert to fraction form
    18,572.69/27,854.66 = 11,078.35/x
  3. Step 3: Cross multiply
    18,572.69x = 27,854.66 × 11,078.35
  4. Step 4: Simplify right side
    18,572.69x = 308,583,630.67
  5. Step 5: Solve for x
    x = 308,583,630.67/18,572.69
  6. Step 6: Final answer
    x = 16,614.91

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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.