Home / 13,362.57-18,441.27-7,394.49

Finding the Fourth Proportional to 13,362.57, 18,441.27 and 7,394.49

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Solution

The fourth proportional to 13,362.57, 18,441.27 and 7,394.49 is: 10,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.57 : 18,441.27 = 7,394.49 : x
  2. Step 2: Convert to fraction form
    13,362.57/18,441.27 = 7,394.49/x
  3. Step 3: Cross multiply
    13,362.57x = 18,441.27 × 7,394.49
  4. Step 4: Simplify right side
    13,362.57x = 136,363,786.60
  5. Step 5: Solve for x
    x = 136,363,786.60/13,362.57
  6. Step 6: Final answer
    x = 10,204.91

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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.