Home / 13,848.72-20,749.44-7,613.95

Finding the Fourth Proportional to 13,848.72, 20,749.44 and 7,613.95

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Solution

The fourth proportional to 13,848.72, 20,749.44 and 7,613.95 is: 11,407.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.72 : 20,749.44 = 7,613.95 : x
  2. Step 2: Convert to fraction form
    13,848.72/20,749.44 = 7,613.95/x
  3. Step 3: Cross multiply
    13,848.72x = 20,749.44 × 7,613.95
  4. Step 4: Simplify right side
    13,848.72x = 157,985,198.69
  5. Step 5: Solve for x
    x = 157,985,198.69/13,848.72
  6. Step 6: Final answer
    x = 11,407.93

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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.