Home / 16,779.96-23,136.84-13,950.63

Finding the Fourth Proportional to 16,779.96, 23,136.84 and 13,950.63

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Solution

The fourth proportional to 16,779.96, 23,136.84 and 13,950.63 is: 19,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.96 : 23,136.84 = 13,950.63 : x
  2. Step 2: Convert to fraction form
    16,779.96/23,136.84 = 13,950.63/x
  3. Step 3: Cross multiply
    16,779.96x = 23,136.84 × 13,950.63
  4. Step 4: Simplify right side
    16,779.96x = 322,773,494.21
  5. Step 5: Solve for x
    x = 322,773,494.21/16,779.96
  6. Step 6: Final answer
    x = 19,235.65

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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.