Home / 13,716.81-20,562.87-4,949.67

Finding the Fourth Proportional to 13,716.81, 20,562.87 and 4,949.67

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Solution

The fourth proportional to 13,716.81, 20,562.87 and 4,949.67 is: 7,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.81 : 20,562.87 = 4,949.67 : x
  2. Step 2: Convert to fraction form
    13,716.81/20,562.87 = 4,949.67/x
  3. Step 3: Cross multiply
    13,716.81x = 20,562.87 × 4,949.67
  4. Step 4: Simplify right side
    13,716.81x = 101,779,420.75
  5. Step 5: Solve for x
    x = 101,779,420.75/13,716.81
  6. Step 6: Final answer
    x = 7,420.05

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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.