Home / 18,131.04-25,021.44-10,174.68

Finding the Fourth Proportional to 18,131.04, 25,021.44 and 10,174.68

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Solution

The fourth proportional to 18,131.04, 25,021.44 and 10,174.68 is: 14,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.04 : 25,021.44 = 10,174.68 : x
  2. Step 2: Convert to fraction form
    18,131.04/25,021.44 = 10,174.68/x
  3. Step 3: Cross multiply
    18,131.04x = 25,021.44 × 10,174.68
  4. Step 4: Simplify right side
    18,131.04x = 254,585,145.14
  5. Step 5: Solve for x
    x = 254,585,145.14/18,131.04
  6. Step 6: Final answer
    x = 14,041.40

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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.