Home / 26,456.41-39,684.19-10,661.06

Finding the Fourth Proportional to 26,456.41, 39,684.19 and 10,661.06

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Solution

The fourth proportional to 26,456.41, 39,684.19 and 10,661.06 is: 15,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,456.41 : 39,684.19 = 10,661.06 : x
  2. Step 2: Convert to fraction form
    26,456.41/39,684.19 = 10,661.06/x
  3. Step 3: Cross multiply
    26,456.41x = 39,684.19 × 10,661.06
  4. Step 4: Simplify right side
    26,456.41x = 423,075,530.64
  5. Step 5: Solve for x
    x = 423,075,530.64/26,456.41
  6. Step 6: Final answer
    x = 15,991.42

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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.