Home / 19,168.94-28,756.10-6,687.14

Finding the Fourth Proportional to 19,168.94, 28,756.10 and 6,687.14

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Solution

The fourth proportional to 19,168.94, 28,756.10 and 6,687.14 is: 10,031.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.94 : 28,756.10 = 6,687.14 : x
  2. Step 2: Convert to fraction form
    19,168.94/28,756.10 = 6,687.14/x
  3. Step 3: Cross multiply
    19,168.94x = 28,756.10 × 6,687.14
  4. Step 4: Simplify right side
    19,168.94x = 192,295,889.34
  5. Step 5: Solve for x
    x = 192,295,889.34/19,168.94
  6. Step 6: Final answer
    x = 10,031.64

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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.