Home / 19,253.45-28,930.94-10,375.38

Finding the Fourth Proportional to 19,253.45, 28,930.94 and 10,375.38

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Solution

The fourth proportional to 19,253.45, 28,930.94 and 10,375.38 is: 15,590.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253.45 : 28,930.94 = 10,375.38 : x
  2. Step 2: Convert to fraction form
    19,253.45/28,930.94 = 10,375.38/x
  3. Step 3: Cross multiply
    19,253.45x = 28,930.94 × 10,375.38
  4. Step 4: Simplify right side
    19,253.45x = 300,169,444.38
  5. Step 5: Solve for x
    x = 300,169,444.38/19,253.45
  6. Step 6: Final answer
    x = 15,590.43

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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.