Home / 15,676.53-21,633.62-8,602.96

Finding the Fourth Proportional to 15,676.53, 21,633.62 and 8,602.96

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Solution

The fourth proportional to 15,676.53, 21,633.62 and 8,602.96 is: 11,872.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,676.53 : 21,633.62 = 8,602.96 : x
  2. Step 2: Convert to fraction form
    15,676.53/21,633.62 = 8,602.96/x
  3. Step 3: Cross multiply
    15,676.53x = 21,633.62 × 8,602.96
  4. Step 4: Simplify right side
    15,676.53x = 186,113,016.33
  5. Step 5: Solve for x
    x = 186,113,016.33/15,676.53
  6. Step 6: Final answer
    x = 11,872.08

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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.