Home / 13,292.70-18,343.80-7,324.26

Finding the Fourth Proportional to 13,292.70, 18,343.80 and 7,324.26

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Solution

The fourth proportional to 13,292.70, 18,343.80 and 7,324.26 is: 10,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.70 : 18,343.80 = 7,324.26 : x
  2. Step 2: Convert to fraction form
    13,292.70/18,343.80 = 7,324.26/x
  3. Step 3: Cross multiply
    13,292.70x = 18,343.80 × 7,324.26
  4. Step 4: Simplify right side
    13,292.70x = 134,354,760.59
  5. Step 5: Solve for x
    x = 134,354,760.59/13,292.70
  6. Step 6: Final answer
    x = 10,107.41

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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.