Home / 14,137.32-21,205.07-5,372.01

Finding the Fourth Proportional to 14,137.32, 21,205.07 and 5,372.01

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Solution

The fourth proportional to 14,137.32, 21,205.07 and 5,372.01 is: 8,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.32 : 21,205.07 = 5,372.01 : x
  2. Step 2: Convert to fraction form
    14,137.32/21,205.07 = 5,372.01/x
  3. Step 3: Cross multiply
    14,137.32x = 21,205.07 × 5,372.01
  4. Step 4: Simplify right side
    14,137.32x = 113,913,821.23
  5. Step 5: Solve for x
    x = 113,913,821.23/14,137.32
  6. Step 6: Final answer
    x = 8,057.67

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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.