Home / 18,833.83-25,990.60-10,336.09

Finding the Fourth Proportional to 18,833.83, 25,990.60 and 10,336.09

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Solution

The fourth proportional to 18,833.83, 25,990.60 and 10,336.09 is: 14,263.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.83 : 25,990.60 = 10,336.09 : x
  2. Step 2: Convert to fraction form
    18,833.83/25,990.60 = 10,336.09/x
  3. Step 3: Cross multiply
    18,833.83x = 25,990.60 × 10,336.09
  4. Step 4: Simplify right side
    18,833.83x = 268,640,999.12
  5. Step 5: Solve for x
    x = 268,640,999.12/18,833.83
  6. Step 6: Final answer
    x = 14,263.75

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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.