Home / 16,768.23-25,152.57-7,278.39

Finding the Fourth Proportional to 16,768.23, 25,152.57 and 7,278.39

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Solution

The fourth proportional to 16,768.23, 25,152.57 and 7,278.39 is: 10,917.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.23 : 25,152.57 = 7,278.39 : x
  2. Step 2: Convert to fraction form
    16,768.23/25,152.57 = 7,278.39/x
  3. Step 3: Cross multiply
    16,768.23x = 25,152.57 × 7,278.39
  4. Step 4: Simplify right side
    16,768.23x = 183,070,213.96
  5. Step 5: Solve for x
    x = 183,070,213.96/16,768.23
  6. Step 6: Final answer
    x = 10,917.68

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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.