Home / 18,725.06-25,842.09-11,652.54

Finding the Fourth Proportional to 18,725.06, 25,842.09 and 11,652.54

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Solution

The fourth proportional to 18,725.06, 25,842.09 and 11,652.54 is: 16,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.06 : 25,842.09 = 11,652.54 : x
  2. Step 2: Convert to fraction form
    18,725.06/25,842.09 = 11,652.54/x
  3. Step 3: Cross multiply
    18,725.06x = 25,842.09 × 11,652.54
  4. Step 4: Simplify right side
    18,725.06x = 301,125,987.41
  5. Step 5: Solve for x
    x = 301,125,987.41/18,725.06
  6. Step 6: Final answer
    x = 16,081.45

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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.