Home / 27,779.08-41,626.86-11,122.60

Finding the Fourth Proportional to 27,779.08, 41,626.86 and 11,122.60

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Solution

The fourth proportional to 27,779.08, 41,626.86 and 11,122.60 is: 16,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779.08 : 41,626.86 = 11,122.60 : x
  2. Step 2: Convert to fraction form
    27,779.08/41,626.86 = 11,122.60/x
  3. Step 3: Cross multiply
    27,779.08x = 41,626.86 × 11,122.60
  4. Step 4: Simplify right side
    27,779.08x = 462,998,913.04
  5. Step 5: Solve for x
    x = 462,998,913.04/27,779.08
  6. Step 6: Final answer
    x = 16,667.18

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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.