Home / 21,341.04-29,452.68-11,910.48

Finding the Fourth Proportional to 21,341.04, 29,452.68 and 11,910.48

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Solution

The fourth proportional to 21,341.04, 29,452.68 and 11,910.48 is: 16,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,341.04 : 29,452.68 = 11,910.48 : x
  2. Step 2: Convert to fraction form
    21,341.04/29,452.68 = 11,910.48/x
  3. Step 3: Cross multiply
    21,341.04x = 29,452.68 × 11,910.48
  4. Step 4: Simplify right side
    21,341.04x = 350,795,556.09
  5. Step 5: Solve for x
    x = 350,795,556.09/21,341.04
  6. Step 6: Final answer
    x = 16,437.60

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1.5x scale

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.