Home / 14,968.88-20,656.80-8,254.50

Finding the Fourth Proportional to 14,968.88, 20,656.80 and 8,254.50

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Solution

The fourth proportional to 14,968.88, 20,656.80 and 8,254.50 is: 11,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,968.88 : 20,656.80 = 8,254.50 : x
  2. Step 2: Convert to fraction form
    14,968.88/20,656.80 = 8,254.50/x
  3. Step 3: Cross multiply
    14,968.88x = 20,656.80 × 8,254.50
  4. Step 4: Simplify right side
    14,968.88x = 170,511,555.60
  5. Step 5: Solve for x
    x = 170,511,555.60/14,968.88
  6. Step 6: Final answer
    x = 11,391.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.