Home / 12,764.35-19,133.36-9,245.51

Finding the Fourth Proportional to 12,764.35, 19,133.36 and 9,245.51

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Solution

The fourth proportional to 12,764.35, 19,133.36 and 9,245.51 is: 13,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.35 : 19,133.36 = 9,245.51 : x
  2. Step 2: Convert to fraction form
    12,764.35/19,133.36 = 9,245.51/x
  3. Step 3: Cross multiply
    12,764.35x = 19,133.36 × 9,245.51
  4. Step 4: Simplify right side
    12,764.35x = 176,897,687.75
  5. Step 5: Solve for x
    x = 176,897,687.75/12,764.35
  6. Step 6: Final answer
    x = 13,858.73

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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.