Home / 16,855.07-25,278.50-6,984.87

Finding the Fourth Proportional to 16,855.07, 25,278.50 and 6,984.87

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Solution

The fourth proportional to 16,855.07, 25,278.50 and 6,984.87 is: 10,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.07 : 25,278.50 = 6,984.87 : x
  2. Step 2: Convert to fraction form
    16,855.07/25,278.50 = 6,984.87/x
  3. Step 3: Cross multiply
    16,855.07x = 25,278.50 × 6,984.87
  4. Step 4: Simplify right side
    16,855.07x = 176,567,001.37
  5. Step 5: Solve for x
    x = 176,567,001.37/16,855.07
  6. Step 6: Final answer
    x = 10,475.60

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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.