Home / 18,260.83-25,199.88-9,877.33

Finding the Fourth Proportional to 18,260.83, 25,199.88 and 9,877.33

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Solution

The fourth proportional to 18,260.83, 25,199.88 and 9,877.33 is: 13,630.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.83 : 25,199.88 = 9,877.33 : x
  2. Step 2: Convert to fraction form
    18,260.83/25,199.88 = 9,877.33/x
  3. Step 3: Cross multiply
    18,260.83x = 25,199.88 × 9,877.33
  4. Step 4: Simplify right side
    18,260.83x = 248,907,530.72
  5. Step 5: Solve for x
    x = 248,907,530.72/18,260.83
  6. Step 6: Final answer
    x = 13,630.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.