Home / 13,962.60-20,919.30-7,374.27

Finding the Fourth Proportional to 13,962.60, 20,919.30 and 7,374.27

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Solution

The fourth proportional to 13,962.60, 20,919.30 and 7,374.27 is: 11,048.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.60 : 20,919.30 = 7,374.27 : x
  2. Step 2: Convert to fraction form
    13,962.60/20,919.30 = 7,374.27/x
  3. Step 3: Cross multiply
    13,962.60x = 20,919.30 × 7,374.27
  4. Step 4: Simplify right side
    13,962.60x = 154,264,566.41
  5. Step 5: Solve for x
    x = 154,264,566.41/13,962.60
  6. Step 6: Final answer
    x = 11,048.41

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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.