Home / 18,726.88-25,842.63-10,768.92

Finding the Fourth Proportional to 18,726.88, 25,842.63 and 10,768.92

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Solution

The fourth proportional to 18,726.88, 25,842.63 and 10,768.92 is: 14,860.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.88 : 25,842.63 = 10,768.92 : x
  2. Step 2: Convert to fraction form
    18,726.88/25,842.63 = 10,768.92/x
  3. Step 3: Cross multiply
    18,726.88x = 25,842.63 × 10,768.92
  4. Step 4: Simplify right side
    18,726.88x = 278,297,215.06
  5. Step 5: Solve for x
    x = 278,297,215.06/18,726.88
  6. Step 6: Final answer
    x = 14,860.84

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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.