Home / 19,253.70-28,931.31-10,375.62

Finding the Fourth Proportional to 19,253.70, 28,931.31 and 10,375.62

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Solution

The fourth proportional to 19,253.70, 28,931.31 and 10,375.62 is: 15,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253.70 : 28,931.31 = 10,375.62 : x
  2. Step 2: Convert to fraction form
    19,253.70/28,931.31 = 10,375.62/x
  3. Step 3: Cross multiply
    19,253.70x = 28,931.31 × 10,375.62
  4. Step 4: Simplify right side
    19,253.70x = 300,180,278.66
  5. Step 5: Solve for x
    x = 300,180,278.66/19,253.70
  6. Step 6: Final answer
    x = 15,590.78

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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.