Home / 15,668.03-23,485.60-5,135.35

Finding the Fourth Proportional to 15,668.03, 23,485.60 and 5,135.35

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Solution

The fourth proportional to 15,668.03, 23,485.60 and 5,135.35 is: 7,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,668.03 : 23,485.60 = 5,135.35 : x
  2. Step 2: Convert to fraction form
    15,668.03/23,485.60 = 5,135.35/x
  3. Step 3: Cross multiply
    15,668.03x = 23,485.60 × 5,135.35
  4. Step 4: Simplify right side
    15,668.03x = 120,606,738.81
  5. Step 5: Solve for x
    x = 120,606,738.81/15,668.03
  6. Step 6: Final answer
    x = 7,697.63

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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.