Home / 26,448.80-39,676.91-7,730.20

Finding the Fourth Proportional to 26,448.80, 39,676.91 and 7,730.20

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Solution

The fourth proportional to 26,448.80, 39,676.91 and 7,730.20 is: 11,596.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,448.80 : 39,676.91 = 7,730.20 : x
  2. Step 2: Convert to fraction form
    26,448.80/39,676.91 = 7,730.20/x
  3. Step 3: Cross multiply
    26,448.80x = 39,676.91 × 7,730.20
  4. Step 4: Simplify right side
    26,448.80x = 306,710,460.63
  5. Step 5: Solve for x
    x = 306,710,460.63/26,448.80
  6. Step 6: Final answer
    x = 11,596.39

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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.