Home / 14,521.25-21,779.26-3,847.68

Finding the Fourth Proportional to 14,521.25, 21,779.26 and 3,847.68

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Solution

The fourth proportional to 14,521.25, 21,779.26 and 3,847.68 is: 5,770.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.25 : 21,779.26 = 3,847.68 : x
  2. Step 2: Convert to fraction form
    14,521.25/21,779.26 = 3,847.68/x
  3. Step 3: Cross multiply
    14,521.25x = 21,779.26 × 3,847.68
  4. Step 4: Simplify right side
    14,521.25x = 83,799,623.12
  5. Step 5: Solve for x
    x = 83,799,623.12/14,521.25
  6. Step 6: Final answer
    x = 5,770.83

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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.