Home / 26,498.68-39,748.25-7,779.04

Finding the Fourth Proportional to 26,498.68, 39,748.25 and 7,779.04

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Solution

The fourth proportional to 26,498.68, 39,748.25 and 7,779.04 is: 11,668.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,498.68 : 39,748.25 = 7,779.04 : x
  2. Step 2: Convert to fraction form
    26,498.68/39,748.25 = 7,779.04/x
  3. Step 3: Cross multiply
    26,498.68x = 39,748.25 × 7,779.04
  4. Step 4: Simplify right side
    26,498.68x = 309,203,146.76
  5. Step 5: Solve for x
    x = 309,203,146.76/26,498.68
  6. Step 6: Final answer
    x = 11,668.63

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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.