Home / 18,582.18-27,886.26-8,188.26

Finding the Fourth Proportional to 18,582.18, 27,886.26 and 8,188.26

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Solution

The fourth proportional to 18,582.18, 27,886.26 and 8,188.26 is: 12,288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.18 : 27,886.26 = 8,188.26 : x
  2. Step 2: Convert to fraction form
    18,582.18/27,886.26 = 8,188.26/x
  3. Step 3: Cross multiply
    18,582.18x = 27,886.26 × 8,188.26
  4. Step 4: Simplify right side
    18,582.18x = 228,339,947.31
  5. Step 5: Solve for x
    x = 228,339,947.31/18,582.18
  6. Step 6: Final answer
    x = 12,288.11

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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.