Home / 14,120.19-19,486.50-7,832.56

Finding the Fourth Proportional to 14,120.19, 19,486.50 and 7,832.56

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Solution

The fourth proportional to 14,120.19, 19,486.50 and 7,832.56 is: 10,809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.19 : 19,486.50 = 7,832.56 : x
  2. Step 2: Convert to fraction form
    14,120.19/19,486.50 = 7,832.56/x
  3. Step 3: Cross multiply
    14,120.19x = 19,486.50 × 7,832.56
  4. Step 4: Simplify right side
    14,120.19x = 152,629,180.44
  5. Step 5: Solve for x
    x = 152,629,180.44/14,120.19
  6. Step 6: Final answer
    x = 10,809.29

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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.