Home / 14,184.48-19,556.88-9,140

Finding the Fourth Proportional to 14,184.48, 19,556.88 and 9,140

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Solution

The fourth proportional to 14,184.48, 19,556.88 and 9,140 is: 12,601.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.48 : 19,556.88 = 9,140 : x
  2. Step 2: Convert to fraction form
    14,184.48/19,556.88 = 9,140/x
  3. Step 3: Cross multiply
    14,184.48x = 19,556.88 × 9,140
  4. Step 4: Simplify right side
    14,184.48x = 178,749,883.20
  5. Step 5: Solve for x
    x = 178,749,883.20/14,184.48
  6. Step 6: Final answer
    x = 12,601.79

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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.