Home / 14,419.60-21,628.32-4,559.20

Finding the Fourth Proportional to 14,419.60, 21,628.32 and 4,559.20

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Solution

The fourth proportional to 14,419.60, 21,628.32 and 4,559.20 is: 6,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.60 : 21,628.32 = 4,559.20 : x
  2. Step 2: Convert to fraction form
    14,419.60/21,628.32 = 4,559.20/x
  3. Step 3: Cross multiply
    14,419.60x = 21,628.32 × 4,559.20
  4. Step 4: Simplify right side
    14,419.60x = 98,607,836.54
  5. Step 5: Solve for x
    x = 98,607,836.54/14,419.60
  6. Step 6: Final answer
    x = 6,838.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.