Home / 13,059.03-18,021.97-7,394.02

Finding the Fourth Proportional to 13,059.03, 18,021.97 and 7,394.02

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Solution

The fourth proportional to 13,059.03, 18,021.97 and 7,394.02 is: 10,204.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.03 : 18,021.97 = 7,394.02 : x
  2. Step 2: Convert to fraction form
    13,059.03/18,021.97 = 7,394.02/x
  3. Step 3: Cross multiply
    13,059.03x = 18,021.97 × 7,394.02
  4. Step 4: Simplify right side
    13,059.03x = 133,254,806.62
  5. Step 5: Solve for x
    x = 133,254,806.62/13,059.03
  6. Step 6: Final answer
    x = 10,204.04

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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.