Home / 25,668.86-38,515.58-12,514.05

Finding the Fourth Proportional to 25,668.86, 38,515.58 and 12,514.05

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Solution

The fourth proportional to 25,668.86, 38,515.58 and 12,514.05 is: 18,777.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.86 : 38,515.58 = 12,514.05 : x
  2. Step 2: Convert to fraction form
    25,668.86/38,515.58 = 12,514.05/x
  3. Step 3: Cross multiply
    25,668.86x = 38,515.58 × 12,514.05
  4. Step 4: Simplify right side
    25,668.86x = 481,985,831.33
  5. Step 5: Solve for x
    x = 481,985,831.33/25,668.86
  6. Step 6: Final answer
    x = 18,777.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.