Home / 18,588.09-25,650.68-10,090.02

Finding the Fourth Proportional to 18,588.09, 25,650.68 and 10,090.02

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Solution

The fourth proportional to 18,588.09, 25,650.68 and 10,090.02 is: 13,923.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.09 : 25,650.68 = 10,090.02 : x
  2. Step 2: Convert to fraction form
    18,588.09/25,650.68 = 10,090.02/x
  3. Step 3: Cross multiply
    18,588.09x = 25,650.68 × 10,090.02
  4. Step 4: Simplify right side
    18,588.09x = 258,815,874.21
  5. Step 5: Solve for x
    x = 258,815,874.21/18,588.09
  6. Step 6: Final answer
    x = 13,923.75

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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.