Home / 13,820.36-19,072.06-7,532.73

Finding the Fourth Proportional to 13,820.36, 19,072.06 and 7,532.73

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Solution

The fourth proportional to 13,820.36, 19,072.06 and 7,532.73 is: 10,395.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820.36 : 19,072.06 = 7,532.73 : x
  2. Step 2: Convert to fraction form
    13,820.36/19,072.06 = 7,532.73/x
  3. Step 3: Cross multiply
    13,820.36x = 19,072.06 × 7,532.73
  4. Step 4: Simplify right side
    13,820.36x = 143,664,659.69
  5. Step 5: Solve for x
    x = 143,664,659.69/13,820.36
  6. Step 6: Final answer
    x = 10,395.15

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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.