Home / 26,196.20-36,148.64-18,255.57

Finding the Fourth Proportional to 26,196.20, 36,148.64 and 18,255.57

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Solution

The fourth proportional to 26,196.20, 36,148.64 and 18,255.57 is: 25,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,196.20 : 36,148.64 = 18,255.57 : x
  2. Step 2: Convert to fraction form
    26,196.20/36,148.64 = 18,255.57/x
  3. Step 3: Cross multiply
    26,196.20x = 36,148.64 × 18,255.57
  4. Step 4: Simplify right side
    26,196.20x = 659,913,936.65
  5. Step 5: Solve for x
    x = 659,913,936.65/26,196.20
  6. Step 6: Final answer
    x = 25,191.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.