Home / 13,898.41-20,849.78-4,662.25

Finding the Fourth Proportional to 13,898.41, 20,849.78 and 4,662.25

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Solution

The fourth proportional to 13,898.41, 20,849.78 and 4,662.25 is: 6,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.41 : 20,849.78 = 4,662.25 : x
  2. Step 2: Convert to fraction form
    13,898.41/20,849.78 = 4,662.25/x
  3. Step 3: Cross multiply
    13,898.41x = 20,849.78 × 4,662.25
  4. Step 4: Simplify right side
    13,898.41x = 97,206,886.81
  5. Step 5: Solve for x
    x = 97,206,886.81/13,898.41
  6. Step 6: Final answer
    x = 6,994.10

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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.