Home / 16,860.38-25,290.66-6,865.31

Finding the Fourth Proportional to 16,860.38, 25,290.66 and 6,865.31

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Solution

The fourth proportional to 16,860.38, 25,290.66 and 6,865.31 is: 10,298.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.38 : 25,290.66 = 6,865.31 : x
  2. Step 2: Convert to fraction form
    16,860.38/25,290.66 = 6,865.31/x
  3. Step 3: Cross multiply
    16,860.38x = 25,290.66 × 6,865.31
  4. Step 4: Simplify right side
    16,860.38x = 173,628,094.55
  5. Step 5: Solve for x
    x = 173,628,094.55/16,860.38
  6. Step 6: Final answer
    x = 10,298.00

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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.