Home / 27,085.18-40,631.58-8,366.80

Finding the Fourth Proportional to 27,085.18, 40,631.58 and 8,366.80

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Solution

The fourth proportional to 27,085.18, 40,631.58 and 8,366.80 is: 12,551.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,085.18 : 40,631.58 = 8,366.80 : x
  2. Step 2: Convert to fraction form
    27,085.18/40,631.58 = 8,366.80/x
  3. Step 3: Cross multiply
    27,085.18x = 40,631.58 × 8,366.80
  4. Step 4: Simplify right side
    27,085.18x = 339,956,303.54
  5. Step 5: Solve for x
    x = 339,956,303.54/27,085.18
  6. Step 6: Final answer
    x = 12,551.38

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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.