Home / 18,779.23-28,172.60-6,933.07

Finding the Fourth Proportional to 18,779.23, 28,172.60 and 6,933.07

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Solution

The fourth proportional to 18,779.23, 28,172.60 and 6,933.07 is: 10,401.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,779.23 : 28,172.60 = 6,933.07 : x
  2. Step 2: Convert to fraction form
    18,779.23/28,172.60 = 6,933.07/x
  3. Step 3: Cross multiply
    18,779.23x = 28,172.60 × 6,933.07
  4. Step 4: Simplify right side
    18,779.23x = 195,322,767.60
  5. Step 5: Solve for x
    x = 195,322,767.60/18,779.23
  6. Step 6: Final answer
    x = 10,401.00

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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.