Home / 14,120.68-19,486.56-7,832.92

Finding the Fourth Proportional to 14,120.68, 19,486.56 and 7,832.92

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Solution

The fourth proportional to 14,120.68, 19,486.56 and 7,832.92 is: 10,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.68 : 19,486.56 = 7,832.92 : x
  2. Step 2: Convert to fraction form
    14,120.68/19,486.56 = 7,832.92/x
  3. Step 3: Cross multiply
    14,120.68x = 19,486.56 × 7,832.92
  4. Step 4: Simplify right side
    14,120.68x = 152,636,665.56
  5. Step 5: Solve for x
    x = 152,636,665.56/14,120.68
  6. Step 6: Final answer
    x = 10,809.44

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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.