Home / 26,190.32-39,328.36-17,198.96

Finding the Fourth Proportional to 26,190.32, 39,328.36 and 17,198.96

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Solution

The fourth proportional to 26,190.32, 39,328.36 and 17,198.96 is: 25,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.32 : 39,328.36 = 17,198.96 : x
  2. Step 2: Convert to fraction form
    26,190.32/39,328.36 = 17,198.96/x
  3. Step 3: Cross multiply
    26,190.32x = 39,328.36 × 17,198.96
  4. Step 4: Simplify right side
    26,190.32x = 676,406,890.51
  5. Step 5: Solve for x
    x = 676,406,890.51/26,190.32
  6. Step 6: Final answer
    x = 25,826.60

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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.