Home / 21,052.56-29,052.63-11,621.46

Finding the Fourth Proportional to 21,052.56, 29,052.63 and 11,621.46

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Solution

The fourth proportional to 21,052.56, 29,052.63 and 11,621.46 is: 16,037.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.56 : 29,052.63 = 11,621.46 : x
  2. Step 2: Convert to fraction form
    21,052.56/29,052.63 = 11,621.46/x
  3. Step 3: Cross multiply
    21,052.56x = 29,052.63 × 11,621.46
  4. Step 4: Simplify right side
    21,052.56x = 337,633,977.44
  5. Step 5: Solve for x
    x = 337,633,977.44/21,052.56
  6. Step 6: Final answer
    x = 16,037.67

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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.