Home / 14,049.09-19,388.99-7,762.68

Finding the Fourth Proportional to 14,049.09, 19,388.99 and 7,762.68

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Solution

The fourth proportional to 14,049.09, 19,388.99 and 7,762.68 is: 10,713.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.09 : 19,388.99 = 7,762.68 : x
  2. Step 2: Convert to fraction form
    14,049.09/19,388.99 = 7,762.68/x
  3. Step 3: Cross multiply
    14,049.09x = 19,388.99 × 7,762.68
  4. Step 4: Simplify right side
    14,049.09x = 150,510,486.08
  5. Step 5: Solve for x
    x = 150,510,486.08/14,049.09
  6. Step 6: Final answer
    x = 10,713.18

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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.