Home / 26,065.21-35,969.11-15,448.54

Finding the Fourth Proportional to 26,065.21, 35,969.11 and 15,448.54

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Solution

The fourth proportional to 26,065.21, 35,969.11 and 15,448.54 is: 21,318.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,065.21 : 35,969.11 = 15,448.54 : x
  2. Step 2: Convert to fraction form
    26,065.21/35,969.11 = 15,448.54/x
  3. Step 3: Cross multiply
    26,065.21x = 35,969.11 × 15,448.54
  4. Step 4: Simplify right side
    26,065.21x = 555,670,234.60
  5. Step 5: Solve for x
    x = 555,670,234.60/26,065.21
  6. Step 6: Final answer
    x = 21,318.46

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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.