Home / 18,823.86-25,976.54-11,651.88

Finding the Fourth Proportional to 18,823.86, 25,976.54 and 11,651.88

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Solution

The fourth proportional to 18,823.86, 25,976.54 and 11,651.88 is: 16,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.86 : 25,976.54 = 11,651.88 : x
  2. Step 2: Convert to fraction form
    18,823.86/25,976.54 = 11,651.88/x
  3. Step 3: Cross multiply
    18,823.86x = 25,976.54 × 11,651.88
  4. Step 4: Simplify right side
    18,823.86x = 302,675,526.90
  5. Step 5: Solve for x
    x = 302,675,526.90/18,823.86
  6. Step 6: Final answer
    x = 16,079.35

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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.