Home / 26,511.82-36,586.40-15,181.50

Finding the Fourth Proportional to 26,511.82, 36,586.40 and 15,181.50

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Solution

The fourth proportional to 26,511.82, 36,586.40 and 15,181.50 is: 20,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,511.82 : 36,586.40 = 15,181.50 : x
  2. Step 2: Convert to fraction form
    26,511.82/36,586.40 = 15,181.50/x
  3. Step 3: Cross multiply
    26,511.82x = 36,586.40 × 15,181.50
  4. Step 4: Simplify right side
    26,511.82x = 555,436,172.76
  5. Step 5: Solve for x
    x = 555,436,172.76/26,511.82
  6. Step 6: Final answer
    x = 20,950.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.