Home / 12,452.40-17,163.90-10,090.44

Finding the Fourth Proportional to 12,452.40, 17,163.90 and 10,090.44

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Solution

The fourth proportional to 12,452.40, 17,163.90 and 10,090.44 is: 13,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.40 : 17,163.90 = 10,090.44 : x
  2. Step 2: Convert to fraction form
    12,452.40/17,163.90 = 10,090.44/x
  3. Step 3: Cross multiply
    12,452.40x = 17,163.90 × 10,090.44
  4. Step 4: Simplify right side
    12,452.40x = 173,191,303.12
  5. Step 5: Solve for x
    x = 173,191,303.12/12,452.40
  6. Step 6: Final answer
    x = 13,908.27

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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.