Home / 22,779.96-34,170.68-7,999.16

Finding the Fourth Proportional to 22,779.96, 34,170.68 and 7,999.16

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Solution

The fourth proportional to 22,779.96, 34,170.68 and 7,999.16 is: 11,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779.96 : 34,170.68 = 7,999.16 : x
  2. Step 2: Convert to fraction form
    22,779.96/34,170.68 = 7,999.16/x
  3. Step 3: Cross multiply
    22,779.96x = 34,170.68 × 7,999.16
  4. Step 4: Simplify right side
    22,779.96x = 273,336,736.63
  5. Step 5: Solve for x
    x = 273,336,736.63/22,779.96
  6. Step 6: Final answer
    x = 11,999.00

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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.