Home / 14,982.95-20,676.63-8,268.83

Finding the Fourth Proportional to 14,982.95, 20,676.63 and 8,268.83

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Solution

The fourth proportional to 14,982.95, 20,676.63 and 8,268.83 is: 11,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.95 : 20,676.63 = 8,268.83 : x
  2. Step 2: Convert to fraction form
    14,982.95/20,676.63 = 8,268.83/x
  3. Step 3: Cross multiply
    14,982.95x = 20,676.63 × 8,268.83
  4. Step 4: Simplify right side
    14,982.95x = 170,971,538.44
  5. Step 5: Solve for x
    x = 170,971,538.44/14,982.95
  6. Step 6: Final answer
    x = 11,411.07

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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.