Home / 14,969.70-22,455.21-4,974.78

Finding the Fourth Proportional to 14,969.70, 22,455.21 and 4,974.78

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Solution

The fourth proportional to 14,969.70, 22,455.21 and 4,974.78 is: 7,462.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969.70 : 22,455.21 = 4,974.78 : x
  2. Step 2: Convert to fraction form
    14,969.70/22,455.21 = 4,974.78/x
  3. Step 3: Cross multiply
    14,969.70x = 22,455.21 × 4,974.78
  4. Step 4: Simplify right side
    14,969.70x = 111,709,729.60
  5. Step 5: Solve for x
    x = 111,709,729.60/14,969.70
  6. Step 6: Final answer
    x = 7,462.39

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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.