Home / 18,747.54-25,867.29-11,196.30

Finding the Fourth Proportional to 18,747.54, 25,867.29 and 11,196.30

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Solution

The fourth proportional to 18,747.54, 25,867.29 and 11,196.30 is: 15,448.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.54 : 25,867.29 = 11,196.30 : x
  2. Step 2: Convert to fraction form
    18,747.54/25,867.29 = 11,196.30/x
  3. Step 3: Cross multiply
    18,747.54x = 25,867.29 × 11,196.30
  4. Step 4: Simplify right side
    18,747.54x = 289,617,939.03
  5. Step 5: Solve for x
    x = 289,617,939.03/18,747.54
  6. Step 6: Final answer
    x = 15,448.32

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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.