Home / 18,443.90-27,668.76-9,556.46

Finding the Fourth Proportional to 18,443.90, 27,668.76 and 9,556.46

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Solution

The fourth proportional to 18,443.90, 27,668.76 and 9,556.46 is: 14,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.90 : 27,668.76 = 9,556.46 : x
  2. Step 2: Convert to fraction form
    18,443.90/27,668.76 = 9,556.46/x
  3. Step 3: Cross multiply
    18,443.90x = 27,668.76 × 9,556.46
  4. Step 4: Simplify right side
    18,443.90x = 264,415,398.19
  5. Step 5: Solve for x
    x = 264,415,398.19/18,443.90
  6. Step 6: Final answer
    x = 14,336.20

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1.5x scale

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.