Home / 16,676.80-25,017.60-8,886.20

Finding the Fourth Proportional to 16,676.80, 25,017.60 and 8,886.20

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Solution

The fourth proportional to 16,676.80, 25,017.60 and 8,886.20 is: 13,330.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,676.80 : 25,017.60 = 8,886.20 : x
  2. Step 2: Convert to fraction form
    16,676.80/25,017.60 = 8,886.20/x
  3. Step 3: Cross multiply
    16,676.80x = 25,017.60 × 8,886.20
  4. Step 4: Simplify right side
    16,676.80x = 222,311,397.12
  5. Step 5: Solve for x
    x = 222,311,397.12/16,676.80
  6. Step 6: Final answer
    x = 13,330.58

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1.5x scale

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.