Home / 26,501.20-39,751.52-6,779.60

Finding the Fourth Proportional to 26,501.20, 39,751.52 and 6,779.60

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Solution

The fourth proportional to 26,501.20, 39,751.52 and 6,779.60 is: 10,169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,501.20 : 39,751.52 = 6,779.60 : x
  2. Step 2: Convert to fraction form
    26,501.20/39,751.52 = 6,779.60/x
  3. Step 3: Cross multiply
    26,501.20x = 39,751.52 × 6,779.60
  4. Step 4: Simplify right side
    26,501.20x = 269,499,404.99
  5. Step 5: Solve for x
    x = 269,499,404.99/26,501.20
  6. Step 6: Final answer
    x = 10,169.33

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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.