Home / 26,690.45-36,835.56-15,360.37

Finding the Fourth Proportional to 26,690.45, 36,835.56 and 15,360.37

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Solution

The fourth proportional to 26,690.45, 36,835.56 and 15,360.37 is: 21,198.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,690.45 : 36,835.56 = 15,360.37 : x
  2. Step 2: Convert to fraction form
    26,690.45/36,835.56 = 15,360.37/x
  3. Step 3: Cross multiply
    26,690.45x = 36,835.56 × 15,360.37
  4. Step 4: Simplify right side
    26,690.45x = 565,807,738.67
  5. Step 5: Solve for x
    x = 565,807,738.67/26,690.45
  6. Step 6: Final answer
    x = 21,198.89

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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.