Home / 16,902.78-25,347.87-5,806.32

Finding the Fourth Proportional to 16,902.78, 25,347.87 and 5,806.32

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Solution

The fourth proportional to 16,902.78, 25,347.87 and 5,806.32 is: 8,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,902.78 : 25,347.87 = 5,806.32 : x
  2. Step 2: Convert to fraction form
    16,902.78/25,347.87 = 5,806.32/x
  3. Step 3: Cross multiply
    16,902.78x = 25,347.87 × 5,806.32
  4. Step 4: Simplify right side
    16,902.78x = 147,177,844.54
  5. Step 5: Solve for x
    x = 147,177,844.54/16,902.78
  6. Step 6: Final answer
    x = 8,707.32

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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.