Home / 21,750.26-30,014.44-12,676.48

Finding the Fourth Proportional to 21,750.26, 30,014.44 and 12,676.48

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Solution

The fourth proportional to 21,750.26, 30,014.44 and 12,676.48 is: 17,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,750.26 : 30,014.44 = 12,676.48 : x
  2. Step 2: Convert to fraction form
    21,750.26/30,014.44 = 12,676.48/x
  3. Step 3: Cross multiply
    21,750.26x = 30,014.44 × 12,676.48
  4. Step 4: Simplify right side
    21,750.26x = 380,477,448.37
  5. Step 5: Solve for x
    x = 380,477,448.37/21,750.26
  6. Step 6: Final answer
    x = 17,493.01

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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.