Home / 21,676.89-32,511.23-6,885.93

Finding the Fourth Proportional to 21,676.89, 32,511.23 and 6,885.93

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Solution

The fourth proportional to 21,676.89, 32,511.23 and 6,885.93 is: 10,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,676.89 : 32,511.23 = 6,885.93 : x
  2. Step 2: Convert to fraction form
    21,676.89/32,511.23 = 6,885.93/x
  3. Step 3: Cross multiply
    21,676.89x = 32,511.23 × 6,885.93
  4. Step 4: Simplify right side
    21,676.89x = 223,870,053.99
  5. Step 5: Solve for x
    x = 223,870,053.99/21,676.89
  6. Step 6: Final answer
    x = 10,327.59

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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.