Home / 14,980.22-20,672.40-8,265.44

Finding the Fourth Proportional to 14,980.22, 20,672.40 and 8,265.44

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Solution

The fourth proportional to 14,980.22, 20,672.40 and 8,265.44 is: 11,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.22 : 20,672.40 = 8,265.44 : x
  2. Step 2: Convert to fraction form
    14,980.22/20,672.40 = 8,265.44/x
  3. Step 3: Cross multiply
    14,980.22x = 20,672.40 × 8,265.44
  4. Step 4: Simplify right side
    14,980.22x = 170,866,533.54
  5. Step 5: Solve for x
    x = 170,866,533.54/14,980.22
  6. Step 6: Final answer
    x = 11,406.14

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1.5x scale

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.