Home / 13,716.48-20,572.61-4,355.27

Finding the Fourth Proportional to 13,716.48, 20,572.61 and 4,355.27

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Solution

The fourth proportional to 13,716.48, 20,572.61 and 4,355.27 is: 6,532.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.48 : 20,572.61 = 4,355.27 : x
  2. Step 2: Convert to fraction form
    13,716.48/20,572.61 = 4,355.27/x
  3. Step 3: Cross multiply
    13,716.48x = 20,572.61 × 4,355.27
  4. Step 4: Simplify right side
    13,716.48x = 89,599,271.15
  5. Step 5: Solve for x
    x = 89,599,271.15/13,716.48
  6. Step 6: Final answer
    x = 6,532.24

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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.