Home / 18,104.50-27,155.53-4,956.99

Finding the Fourth Proportional to 18,104.50, 27,155.53 and 4,956.99

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Solution

The fourth proportional to 18,104.50, 27,155.53 and 4,956.99 is: 7,435.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.50 : 27,155.53 = 4,956.99 : x
  2. Step 2: Convert to fraction form
    18,104.50/27,155.53 = 4,956.99/x
  3. Step 3: Cross multiply
    18,104.50x = 27,155.53 × 4,956.99
  4. Step 4: Simplify right side
    18,104.50x = 134,609,690.65
  5. Step 5: Solve for x
    x = 134,609,690.65/18,104.50
  6. Step 6: Final answer
    x = 7,435.15

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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.