Home / 18,565.95-27,858.51-8,706.27

Finding the Fourth Proportional to 18,565.95, 27,858.51 and 8,706.27

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Solution

The fourth proportional to 18,565.95, 27,858.51 and 8,706.27 is: 13,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.95 : 27,858.51 = 8,706.27 : x
  2. Step 2: Convert to fraction form
    18,565.95/27,858.51 = 8,706.27/x
  3. Step 3: Cross multiply
    18,565.95x = 27,858.51 × 8,706.27
  4. Step 4: Simplify right side
    18,565.95x = 242,543,709.86
  5. Step 5: Solve for x
    x = 242,543,709.86/18,565.95
  6. Step 6: Final answer
    x = 13,063.90

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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.