Home / 15,579.63-23,350.01-7,790.67

Finding the Fourth Proportional to 15,579.63, 23,350.01 and 7,790.67

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Solution

The fourth proportional to 15,579.63, 23,350.01 and 7,790.67 is: 11,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.63 : 23,350.01 = 7,790.67 : x
  2. Step 2: Convert to fraction form
    15,579.63/23,350.01 = 7,790.67/x
  3. Step 3: Cross multiply
    15,579.63x = 23,350.01 × 7,790.67
  4. Step 4: Simplify right side
    15,579.63x = 181,912,183.45
  5. Step 5: Solve for x
    x = 181,912,183.45/15,579.63
  6. Step 6: Final answer
    x = 11,676.28

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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.