Home / 13,925.24-20,889.96-4,065.20

Finding the Fourth Proportional to 13,925.24, 20,889.96 and 4,065.20

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Solution

The fourth proportional to 13,925.24, 20,889.96 and 4,065.20 is: 6,098.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.24 : 20,889.96 = 4,065.20 : x
  2. Step 2: Convert to fraction form
    13,925.24/20,889.96 = 4,065.20/x
  3. Step 3: Cross multiply
    13,925.24x = 20,889.96 × 4,065.20
  4. Step 4: Simplify right side
    13,925.24x = 84,921,865.39
  5. Step 5: Solve for x
    x = 84,921,865.39/13,925.24
  6. Step 6: Final answer
    x = 6,098.41

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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.