Home / 17,917.88-26,877.42-6,231.20

Finding the Fourth Proportional to 17,917.88, 26,877.42 and 6,231.20

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Solution

The fourth proportional to 17,917.88, 26,877.42 and 6,231.20 is: 9,347.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,917.88 : 26,877.42 = 6,231.20 : x
  2. Step 2: Convert to fraction form
    17,917.88/26,877.42 = 6,231.20/x
  3. Step 3: Cross multiply
    17,917.88x = 26,877.42 × 6,231.20
  4. Step 4: Simplify right side
    17,917.88x = 167,478,579.50
  5. Step 5: Solve for x
    x = 167,478,579.50/17,917.88
  6. Step 6: Final answer
    x = 9,347.01

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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.