Home / 18,743.04-25,864.48-10,245.28

Finding the Fourth Proportional to 18,743.04, 25,864.48 and 10,245.28

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Solution

The fourth proportional to 18,743.04, 25,864.48 and 10,245.28 is: 14,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.04 : 25,864.48 = 10,245.28 : x
  2. Step 2: Convert to fraction form
    18,743.04/25,864.48 = 10,245.28/x
  3. Step 3: Cross multiply
    18,743.04x = 25,864.48 × 10,245.28
  4. Step 4: Simplify right side
    18,743.04x = 264,988,839.65
  5. Step 5: Solve for x
    x = 264,988,839.65/18,743.04
  6. Step 6: Final answer
    x = 14,137.99

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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.