Home / 13,323.43-19,954.05-10,531.36

Finding the Fourth Proportional to 13,323.43, 19,954.05 and 10,531.36

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Solution

The fourth proportional to 13,323.43, 19,954.05 and 10,531.36 is: 15,772.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.43 : 19,954.05 = 10,531.36 : x
  2. Step 2: Convert to fraction form
    13,323.43/19,954.05 = 10,531.36/x
  3. Step 3: Cross multiply
    13,323.43x = 19,954.05 × 10,531.36
  4. Step 4: Simplify right side
    13,323.43x = 210,143,284.01
  5. Step 5: Solve for x
    x = 210,143,284.01/13,323.43
  6. Step 6: Final answer
    x = 15,772.46

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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.