Home / 26,090.85-39,104.21-12,031.36

Finding the Fourth Proportional to 26,090.85, 39,104.21 and 12,031.36

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Solution

The fourth proportional to 26,090.85, 39,104.21 and 12,031.36 is: 18,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,090.85 : 39,104.21 = 12,031.36 : x
  2. Step 2: Convert to fraction form
    26,090.85/39,104.21 = 12,031.36/x
  3. Step 3: Cross multiply
    26,090.85x = 39,104.21 × 12,031.36
  4. Step 4: Simplify right side
    26,090.85x = 470,476,785.73
  5. Step 5: Solve for x
    x = 470,476,785.73/26,090.85
  6. Step 6: Final answer
    x = 18,032.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.