Home / 18,556.39-25,607.79-10,173.43

Finding the Fourth Proportional to 18,556.39, 25,607.79 and 10,173.43

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Solution

The fourth proportional to 18,556.39, 25,607.79 and 10,173.43 is: 14,039.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.39 : 25,607.79 = 10,173.43 : x
  2. Step 2: Convert to fraction form
    18,556.39/25,607.79 = 10,173.43/x
  3. Step 3: Cross multiply
    18,556.39x = 25,607.79 × 10,173.43
  4. Step 4: Simplify right side
    18,556.39x = 260,519,059.02
  5. Step 5: Solve for x
    x = 260,519,059.02/18,556.39
  6. Step 6: Final answer
    x = 14,039.32

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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.