Home / 18,365.67-25,344.56-10,409.42

Finding the Fourth Proportional to 18,365.67, 25,344.56 and 10,409.42

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Solution

The fourth proportional to 18,365.67, 25,344.56 and 10,409.42 is: 14,364.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.67 : 25,344.56 = 10,409.42 : x
  2. Step 2: Convert to fraction form
    18,365.67/25,344.56 = 10,409.42/x
  3. Step 3: Cross multiply
    18,365.67x = 25,344.56 × 10,409.42
  4. Step 4: Simplify right side
    18,365.67x = 263,821,990.99
  5. Step 5: Solve for x
    x = 263,821,990.99/18,365.67
  6. Step 6: Final answer
    x = 14,364.95

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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.