Home / 18,259.83-25,198.50-9,876.33

Finding the Fourth Proportional to 18,259.83, 25,198.50 and 9,876.33

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Solution

The fourth proportional to 18,259.83, 25,198.50 and 9,876.33 is: 13,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.83 : 25,198.50 = 9,876.33 : x
  2. Step 2: Convert to fraction form
    18,259.83/25,198.50 = 9,876.33/x
  3. Step 3: Cross multiply
    18,259.83x = 25,198.50 × 9,876.33
  4. Step 4: Simplify right side
    18,259.83x = 248,868,701.51
  5. Step 5: Solve for x
    x = 248,868,701.51/18,259.83
  6. Step 6: Final answer
    x = 13,629.30

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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.