Home / 19,063.68-28,556.16-14,138.88

Finding the Fourth Proportional to 19,063.68, 28,556.16 and 14,138.88

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Solution

The fourth proportional to 19,063.68, 28,556.16 and 14,138.88 is: 21,179.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,063.68 : 28,556.16 = 14,138.88 : x
  2. Step 2: Convert to fraction form
    19,063.68/28,556.16 = 14,138.88/x
  3. Step 3: Cross multiply
    19,063.68x = 28,556.16 × 14,138.88
  4. Step 4: Simplify right side
    19,063.68x = 403,752,119.50
  5. Step 5: Solve for x
    x = 403,752,119.50/19,063.68
  6. Step 6: Final answer
    x = 21,179.13

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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.