Home / 26,131.42-39,168.09-12,993.34

Finding the Fourth Proportional to 26,131.42, 39,168.09 and 12,993.34

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Solution

The fourth proportional to 26,131.42, 39,168.09 and 12,993.34 is: 19,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,131.42 : 39,168.09 = 12,993.34 : x
  2. Step 2: Convert to fraction form
    26,131.42/39,168.09 = 12,993.34/x
  3. Step 3: Cross multiply
    26,131.42x = 39,168.09 × 12,993.34
  4. Step 4: Simplify right side
    26,131.42x = 508,924,310.52
  5. Step 5: Solve for x
    x = 508,924,310.52/26,131.42
  6. Step 6: Final answer
    x = 19,475.57

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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.