Home / 27,933.48-38,555.46-18,498.60

Finding the Fourth Proportional to 27,933.48, 38,555.46 and 18,498.60

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Solution

The fourth proportional to 27,933.48, 38,555.46 and 18,498.60 is: 25,532.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933.48 : 38,555.46 = 18,498.60 : x
  2. Step 2: Convert to fraction form
    27,933.48/38,555.46 = 18,498.60/x
  3. Step 3: Cross multiply
    27,933.48x = 38,555.46 × 18,498.60
  4. Step 4: Simplify right side
    27,933.48x = 713,222,032.36
  5. Step 5: Solve for x
    x = 713,222,032.36/27,933.48
  6. Step 6: Final answer
    x = 25,532.87

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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.