Home / 18,726.54-25,839.99-10,765.86

Finding the Fourth Proportional to 18,726.54, 25,839.99 and 10,765.86

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Solution

The fourth proportional to 18,726.54, 25,839.99 and 10,765.86 is: 14,855.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.54 : 25,839.99 = 10,765.86 : x
  2. Step 2: Convert to fraction form
    18,726.54/25,839.99 = 10,765.86/x
  3. Step 3: Cross multiply
    18,726.54x = 25,839.99 × 10,765.86
  4. Step 4: Simplify right side
    18,726.54x = 278,189,714.74
  5. Step 5: Solve for x
    x = 278,189,714.74/18,726.54
  6. Step 6: Final answer
    x = 14,855.37

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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.