Home / 18,588.21-25,650.85-10,090.14

Finding the Fourth Proportional to 18,588.21, 25,650.85 and 10,090.14

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Solution

The fourth proportional to 18,588.21, 25,650.85 and 10,090.14 is: 13,923.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.21 : 25,650.85 = 10,090.14 : x
  2. Step 2: Convert to fraction form
    18,588.21/25,650.85 = 10,090.14/x
  3. Step 3: Cross multiply
    18,588.21x = 25,650.85 × 10,090.14
  4. Step 4: Simplify right side
    18,588.21x = 258,820,667.62
  5. Step 5: Solve for x
    x = 258,820,667.62/18,588.21
  6. Step 6: Final answer
    x = 13,923.92

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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.