Home / 12,914.70-19,353.60-7,356.30

Finding the Fourth Proportional to 12,914.70, 19,353.60 and 7,356.30

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Solution

The fourth proportional to 12,914.70, 19,353.60 and 7,356.30 is: 11,023.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914.70 : 19,353.60 = 7,356.30 : x
  2. Step 2: Convert to fraction form
    12,914.70/19,353.60 = 7,356.30/x
  3. Step 3: Cross multiply
    12,914.70x = 19,353.60 × 7,356.30
  4. Step 4: Simplify right side
    12,914.70x = 142,370,887.68
  5. Step 5: Solve for x
    x = 142,370,887.68/12,914.70
  6. Step 6: Final answer
    x = 11,023.94

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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.