Home / 14,399.20-19,870.53-8,025.82

Finding the Fourth Proportional to 14,399.20, 19,870.53 and 8,025.82

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Solution

The fourth proportional to 14,399.20, 19,870.53 and 8,025.82 is: 11,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.20 : 19,870.53 = 8,025.82 : x
  2. Step 2: Convert to fraction form
    14,399.20/19,870.53 = 8,025.82/x
  3. Step 3: Cross multiply
    14,399.20x = 19,870.53 × 8,025.82
  4. Step 4: Simplify right side
    14,399.20x = 159,477,297.08
  5. Step 5: Solve for x
    x = 159,477,297.08/14,399.20
  6. Step 6: Final answer
    x = 11,075.43

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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.