Home / 20,058.13-30,087.65-6,910.31

Finding the Fourth Proportional to 20,058.13, 30,087.65 and 6,910.31

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Solution

The fourth proportional to 20,058.13, 30,087.65 and 6,910.31 is: 10,365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.13 : 30,087.65 = 6,910.31 : x
  2. Step 2: Convert to fraction form
    20,058.13/30,087.65 = 6,910.31/x
  3. Step 3: Cross multiply
    20,058.13x = 30,087.65 × 6,910.31
  4. Step 4: Simplify right side
    20,058.13x = 207,915,081.17
  5. Step 5: Solve for x
    x = 207,915,081.17/20,058.13
  6. Step 6: Final answer
    x = 10,365.63

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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.