Home / 15,750.41-21,735.52-8,676.84

Finding the Fourth Proportional to 15,750.41, 21,735.52 and 8,676.84

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Solution

The fourth proportional to 15,750.41, 21,735.52 and 8,676.84 is: 11,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750.41 : 21,735.52 = 8,676.84 : x
  2. Step 2: Convert to fraction form
    15,750.41/21,735.52 = 8,676.84/x
  3. Step 3: Cross multiply
    15,750.41x = 21,735.52 × 8,676.84
  4. Step 4: Simplify right side
    15,750.41x = 188,595,629.36
  5. Step 5: Solve for x
    x = 188,595,629.36/15,750.41
  6. Step 6: Final answer
    x = 11,974.01

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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.