Home / 26,405.39-39,581.06-11,611.55

Finding the Fourth Proportional to 26,405.39, 39,581.06 and 11,611.55

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Solution

The fourth proportional to 26,405.39, 39,581.06 and 11,611.55 is: 17,405.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.39 : 39,581.06 = 11,611.55 : x
  2. Step 2: Convert to fraction form
    26,405.39/39,581.06 = 11,611.55/x
  3. Step 3: Cross multiply
    26,405.39x = 39,581.06 × 11,611.55
  4. Step 4: Simplify right side
    26,405.39x = 459,597,498.14
  5. Step 5: Solve for x
    x = 459,597,498.14/26,405.39
  6. Step 6: Final answer
    x = 17,405.44

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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.