Home / 13,906.07-19,190.40-7,532.68

Finding the Fourth Proportional to 13,906.07, 19,190.40 and 7,532.68

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Solution

The fourth proportional to 13,906.07, 19,190.40 and 7,532.68 is: 10,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.07 : 19,190.40 = 7,532.68 : x
  2. Step 2: Convert to fraction form
    13,906.07/19,190.40 = 7,532.68/x
  3. Step 3: Cross multiply
    13,906.07x = 19,190.40 × 7,532.68
  4. Step 4: Simplify right side
    13,906.07x = 144,555,142.27
  5. Step 5: Solve for x
    x = 144,555,142.27/13,906.07
  6. Step 6: Final answer
    x = 10,395.11

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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.