Home / 12,936.48-19,414.48-10,370.40

Finding the Fourth Proportional to 12,936.48, 19,414.48 and 10,370.40

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Solution

The fourth proportional to 12,936.48, 19,414.48 and 10,370.40 is: 15,563.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936.48 : 19,414.48 = 10,370.40 : x
  2. Step 2: Convert to fraction form
    12,936.48/19,414.48 = 10,370.40/x
  3. Step 3: Cross multiply
    12,936.48x = 19,414.48 × 10,370.40
  4. Step 4: Simplify right side
    12,936.48x = 201,335,923.39
  5. Step 5: Solve for x
    x = 201,335,923.39/12,936.48
  6. Step 6: Final answer
    x = 15,563.42

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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.