Home / 16,881.36-25,316.57-7,995.33

Finding the Fourth Proportional to 16,881.36, 25,316.57 and 7,995.33

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Solution

The fourth proportional to 16,881.36, 25,316.57 and 7,995.33 is: 11,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.36 : 25,316.57 = 7,995.33 : x
  2. Step 2: Convert to fraction form
    16,881.36/25,316.57 = 7,995.33/x
  3. Step 3: Cross multiply
    16,881.36x = 25,316.57 × 7,995.33
  4. Step 4: Simplify right side
    16,881.36x = 202,414,291.64
  5. Step 5: Solve for x
    x = 202,414,291.64/16,881.36
  6. Step 6: Final answer
    x = 11,990.40

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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.