Home / 26,455.41-39,682.69-10,660.06

Finding the Fourth Proportional to 26,455.41, 39,682.69 and 10,660.06

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Solution

The fourth proportional to 26,455.41, 39,682.69 and 10,660.06 is: 15,989.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,455.41 : 39,682.69 = 10,660.06 : x
  2. Step 2: Convert to fraction form
    26,455.41/39,682.69 = 10,660.06/x
  3. Step 3: Cross multiply
    26,455.41x = 39,682.69 × 10,660.06
  4. Step 4: Simplify right side
    26,455.41x = 423,019,879.31
  5. Step 5: Solve for x
    x = 423,019,879.31/26,455.41
  6. Step 6: Final answer
    x = 15,989.92

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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.