Home / 14,178.20-19,564.97-7,803.54

Finding the Fourth Proportional to 14,178.20, 19,564.97 and 7,803.54

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Solution

The fourth proportional to 14,178.20, 19,564.97 and 7,803.54 is: 10,768.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.20 : 19,564.97 = 7,803.54 : x
  2. Step 2: Convert to fraction form
    14,178.20/19,564.97 = 7,803.54/x
  3. Step 3: Cross multiply
    14,178.20x = 19,564.97 × 7,803.54
  4. Step 4: Simplify right side
    14,178.20x = 152,675,986.98
  5. Step 5: Solve for x
    x = 152,675,986.98/14,178.20
  6. Step 6: Final answer
    x = 10,768.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.