Home / 14,025.47-21,040.32-4,163.51

Finding the Fourth Proportional to 14,025.47, 21,040.32 and 4,163.51

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Solution

The fourth proportional to 14,025.47, 21,040.32 and 4,163.51 is: 6,245.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025.47 : 21,040.32 = 4,163.51 : x
  2. Step 2: Convert to fraction form
    14,025.47/21,040.32 = 4,163.51/x
  3. Step 3: Cross multiply
    14,025.47x = 21,040.32 × 4,163.51
  4. Step 4: Simplify right side
    14,025.47x = 87,601,477.52
  5. Step 5: Solve for x
    x = 87,601,477.52/14,025.47
  6. Step 6: Final answer
    x = 6,245.89

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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.