Home / 13,968.51-20,954.21-4,477.48

Finding the Fourth Proportional to 13,968.51, 20,954.21 and 4,477.48

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Solution

The fourth proportional to 13,968.51, 20,954.21 and 4,477.48 is: 6,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.51 : 20,954.21 = 4,477.48 : x
  2. Step 2: Convert to fraction form
    13,968.51/20,954.21 = 4,477.48/x
  3. Step 3: Cross multiply
    13,968.51x = 20,954.21 × 4,477.48
  4. Step 4: Simplify right side
    13,968.51x = 93,822,099.29
  5. Step 5: Solve for x
    x = 93,822,099.29/13,968.51
  6. Step 6: Final answer
    x = 6,716.69

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1.5x scale

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.