Home / 19,029.12-28,556.68-6,717.12

Finding the Fourth Proportional to 19,029.12, 28,556.68 and 6,717.12

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Solution

The fourth proportional to 19,029.12, 28,556.68 and 6,717.12 is: 10,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.12 : 28,556.68 = 6,717.12 : x
  2. Step 2: Convert to fraction form
    19,029.12/28,556.68 = 6,717.12/x
  3. Step 3: Cross multiply
    19,029.12x = 28,556.68 × 6,717.12
  4. Step 4: Simplify right side
    19,029.12x = 191,818,646.36
  5. Step 5: Solve for x
    x = 191,818,646.36/19,029.12
  6. Step 6: Final answer
    x = 10,080.27

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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.