Home / 14,178.44-21,235.31-6,788.13

Finding the Fourth Proportional to 14,178.44, 21,235.31 and 6,788.13

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Solution

The fourth proportional to 14,178.44, 21,235.31 and 6,788.13 is: 10,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.44 : 21,235.31 = 6,788.13 : x
  2. Step 2: Convert to fraction form
    14,178.44/21,235.31 = 6,788.13/x
  3. Step 3: Cross multiply
    14,178.44x = 21,235.31 × 6,788.13
  4. Step 4: Simplify right side
    14,178.44x = 144,148,054.66
  5. Step 5: Solve for x
    x = 144,148,054.66/14,178.44
  6. Step 6: Final answer
    x = 10,166.71

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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.