Home / 18,149.94-25,029.47-11,774.19

Finding the Fourth Proportional to 18,149.94, 25,029.47 and 11,774.19

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Solution

The fourth proportional to 18,149.94, 25,029.47 and 11,774.19 is: 16,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.94 : 25,029.47 = 11,774.19 : x
  2. Step 2: Convert to fraction form
    18,149.94/25,029.47 = 11,774.19/x
  3. Step 3: Cross multiply
    18,149.94x = 25,029.47 × 11,774.19
  4. Step 4: Simplify right side
    18,149.94x = 294,701,676.51
  5. Step 5: Solve for x
    x = 294,701,676.51/18,149.94
  6. Step 6: Final answer
    x = 16,237.07

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Double scale
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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.