Home / 17,518.88-26,277.58-8,155.68

Finding the Fourth Proportional to 17,518.88, 26,277.58 and 8,155.68

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Solution

The fourth proportional to 17,518.88, 26,277.58 and 8,155.68 is: 12,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518.88 : 26,277.58 = 8,155.68 : x
  2. Step 2: Convert to fraction form
    17,518.88/26,277.58 = 8,155.68/x
  3. Step 3: Cross multiply
    17,518.88x = 26,277.58 × 8,155.68
  4. Step 4: Simplify right side
    17,518.88x = 214,311,533.65
  5. Step 5: Solve for x
    x = 214,311,533.65/17,518.88
  6. Step 6: Final answer
    x = 12,233.18

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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.