Home / 25,996.10-38,993.94-13,509.68

Finding the Fourth Proportional to 25,996.10, 38,993.94 and 13,509.68

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Solution

The fourth proportional to 25,996.10, 38,993.94 and 13,509.68 is: 20,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,996.10 : 38,993.94 = 13,509.68 : x
  2. Step 2: Convert to fraction form
    25,996.10/38,993.94 = 13,509.68/x
  3. Step 3: Cross multiply
    25,996.10x = 38,993.94 × 13,509.68
  4. Step 4: Simplify right side
    25,996.10x = 526,795,456.37
  5. Step 5: Solve for x
    x = 526,795,456.37/25,996.10
  6. Step 6: Final answer
    x = 20,264.41

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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.