Home / 18,738.04-25,855.26-11,571.96

Finding the Fourth Proportional to 18,738.04, 25,855.26 and 11,571.96

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Solution

The fourth proportional to 18,738.04, 25,855.26 and 11,571.96 is: 15,967.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.04 : 25,855.26 = 11,571.96 : x
  2. Step 2: Convert to fraction form
    18,738.04/25,855.26 = 11,571.96/x
  3. Step 3: Cross multiply
    18,738.04x = 25,855.26 × 11,571.96
  4. Step 4: Simplify right side
    18,738.04x = 299,196,034.51
  5. Step 5: Solve for x
    x = 299,196,034.51/18,738.04
  6. Step 6: Final answer
    x = 15,967.31

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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.