Home / 18,621.27-25,697.39-10,237.77

Finding the Fourth Proportional to 18,621.27, 25,697.39 and 10,237.77

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Solution

The fourth proportional to 18,621.27, 25,697.39 and 10,237.77 is: 14,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.27 : 25,697.39 = 10,237.77 : x
  2. Step 2: Convert to fraction form
    18,621.27/25,697.39 = 10,237.77/x
  3. Step 3: Cross multiply
    18,621.27x = 25,697.39 × 10,237.77
  4. Step 4: Simplify right side
    18,621.27x = 263,083,917.23
  5. Step 5: Solve for x
    x = 263,083,917.23/18,621.27
  6. Step 6: Final answer
    x = 14,128.14

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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.