Home / 18,362.40-25,344.72-10,409.37

Finding the Fourth Proportional to 18,362.40, 25,344.72 and 10,409.37

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Solution

The fourth proportional to 18,362.40, 25,344.72 and 10,409.37 is: 14,367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362.40 : 25,344.72 = 10,409.37 : x
  2. Step 2: Convert to fraction form
    18,362.40/25,344.72 = 10,409.37/x
  3. Step 3: Cross multiply
    18,362.40x = 25,344.72 × 10,409.37
  4. Step 4: Simplify right side
    18,362.40x = 263,822,568.03
  5. Step 5: Solve for x
    x = 263,822,568.03/18,362.40
  6. Step 6: Final answer
    x = 14,367.54

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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.