Home / 18,827.48-25,971.13-11,741.60

Finding the Fourth Proportional to 18,827.48, 25,971.13 and 11,741.60

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Solution

The fourth proportional to 18,827.48, 25,971.13 and 11,741.60 is: 16,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.48 : 25,971.13 = 11,741.60 : x
  2. Step 2: Convert to fraction form
    18,827.48/25,971.13 = 11,741.60/x
  3. Step 3: Cross multiply
    18,827.48x = 25,971.13 × 11,741.60
  4. Step 4: Simplify right side
    18,827.48x = 304,942,655.58
  5. Step 5: Solve for x
    x = 304,942,655.58/18,827.48
  6. Step 6: Final answer
    x = 16,196.68

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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.