Home / 18,934.74-26,134.39-11,770.06

Finding the Fourth Proportional to 18,934.74, 26,134.39 and 11,770.06

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Solution

The fourth proportional to 18,934.74, 26,134.39 and 11,770.06 is: 16,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.74 : 26,134.39 = 11,770.06 : x
  2. Step 2: Convert to fraction form
    18,934.74/26,134.39 = 11,770.06/x
  3. Step 3: Cross multiply
    18,934.74x = 26,134.39 × 11,770.06
  4. Step 4: Simplify right side
    18,934.74x = 307,603,338.36
  5. Step 5: Solve for x
    x = 307,603,338.36/18,934.74
  6. Step 6: Final answer
    x = 16,245.45

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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.