Home / 12,768.07-19,154.46-5,748.25

Finding the Fourth Proportional to 12,768.07, 19,154.46 and 5,748.25

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Solution

The fourth proportional to 12,768.07, 19,154.46 and 5,748.25 is: 8,623.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768.07 : 19,154.46 = 5,748.25 : x
  2. Step 2: Convert to fraction form
    12,768.07/19,154.46 = 5,748.25/x
  3. Step 3: Cross multiply
    12,768.07x = 19,154.46 × 5,748.25
  4. Step 4: Simplify right side
    12,768.07x = 110,104,624.70
  5. Step 5: Solve for x
    x = 110,104,624.70/12,768.07
  6. Step 6: Final answer
    x = 8,623.44

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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.