Home / 18,727.94-25,832.53-11,456.63

Finding the Fourth Proportional to 18,727.94, 25,832.53 and 11,456.63

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Solution

The fourth proportional to 18,727.94, 25,832.53 and 11,456.63 is: 15,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.94 : 25,832.53 = 11,456.63 : x
  2. Step 2: Convert to fraction form
    18,727.94/25,832.53 = 11,456.63/x
  3. Step 3: Cross multiply
    18,727.94x = 25,832.53 × 11,456.63
  4. Step 4: Simplify right side
    18,727.94x = 295,953,809.09
  5. Step 5: Solve for x
    x = 295,953,809.09/18,727.94
  6. Step 6: Final answer
    x = 15,802.80

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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.