Home / 15,849.72-23,779.98-5,991.84

Finding the Fourth Proportional to 15,849.72, 23,779.98 and 5,991.84

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Solution

The fourth proportional to 15,849.72, 23,779.98 and 5,991.84 is: 8,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,849.72 : 23,779.98 = 5,991.84 : x
  2. Step 2: Convert to fraction form
    15,849.72/23,779.98 = 5,991.84/x
  3. Step 3: Cross multiply
    15,849.72x = 23,779.98 × 5,991.84
  4. Step 4: Simplify right side
    15,849.72x = 142,485,835.36
  5. Step 5: Solve for x
    x = 142,485,835.36/15,849.72
  6. Step 6: Final answer
    x = 8,989.80

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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.