Home / 18,932.74-26,131.63-11,768.06

Finding the Fourth Proportional to 18,932.74, 26,131.63 and 11,768.06

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Solution

The fourth proportional to 18,932.74, 26,131.63 and 11,768.06 is: 16,242.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.74 : 26,131.63 = 11,768.06 : x
  2. Step 2: Convert to fraction form
    18,932.74/26,131.63 = 11,768.06/x
  3. Step 3: Cross multiply
    18,932.74x = 26,131.63 × 11,768.06
  4. Step 4: Simplify right side
    18,932.74x = 307,518,589.74
  5. Step 5: Solve for x
    x = 307,518,589.74/18,932.74
  6. Step 6: Final answer
    x = 16,242.69

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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.