Home / 13,448.40-20,167.80-4,683.60

Finding the Fourth Proportional to 13,448.40, 20,167.80 and 4,683.60

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Solution

The fourth proportional to 13,448.40, 20,167.80 and 4,683.60 is: 7,023.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.40 : 20,167.80 = 4,683.60 : x
  2. Step 2: Convert to fraction form
    13,448.40/20,167.80 = 4,683.60/x
  3. Step 3: Cross multiply
    13,448.40x = 20,167.80 × 4,683.60
  4. Step 4: Simplify right side
    13,448.40x = 94,457,908.08
  5. Step 5: Solve for x
    x = 94,457,908.08/13,448.40
  6. Step 6: Final answer
    x = 7,023.73

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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.