Home / 25,358.27-38,048.33-13,668.75

Finding the Fourth Proportional to 25,358.27, 38,048.33 and 13,668.75

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Solution

The fourth proportional to 25,358.27, 38,048.33 and 13,668.75 is: 20,509.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,358.27 : 38,048.33 = 13,668.75 : x
  2. Step 2: Convert to fraction form
    25,358.27/38,048.33 = 13,668.75/x
  3. Step 3: Cross multiply
    25,358.27x = 38,048.33 × 13,668.75
  4. Step 4: Simplify right side
    25,358.27x = 520,073,144.86
  5. Step 5: Solve for x
    x = 520,073,144.86/25,358.27
  6. Step 6: Final answer
    x = 20,509.02

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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.