Home / 18,504.77-25,536.20-10,121.27

Finding the Fourth Proportional to 18,504.77, 25,536.20 and 10,121.27

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Solution

The fourth proportional to 18,504.77, 25,536.20 and 10,121.27 is: 13,967.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.77 : 25,536.20 = 10,121.27 : x
  2. Step 2: Convert to fraction form
    18,504.77/25,536.20 = 10,121.27/x
  3. Step 3: Cross multiply
    18,504.77x = 25,536.20 × 10,121.27
  4. Step 4: Simplify right side
    18,504.77x = 258,458,596.69
  5. Step 5: Solve for x
    x = 258,458,596.69/18,504.77
  6. Step 6: Final answer
    x = 13,967.14

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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.