Home / 13,357.74-20,054.84-6,788.57

Finding the Fourth Proportional to 13,357.74, 20,054.84 and 6,788.57

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Solution

The fourth proportional to 13,357.74, 20,054.84 and 6,788.57 is: 10,192.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.74 : 20,054.84 = 6,788.57 : x
  2. Step 2: Convert to fraction form
    13,357.74/20,054.84 = 6,788.57/x
  3. Step 3: Cross multiply
    13,357.74x = 20,054.84 × 6,788.57
  4. Step 4: Simplify right side
    13,357.74x = 136,143,701.37
  5. Step 5: Solve for x
    x = 136,143,701.37/13,357.74
  6. Step 6: Final answer
    x = 10,192.12

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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.