Home / 18,196.20-25,111.08-11,126.52

Finding the Fourth Proportional to 18,196.20, 25,111.08 and 11,126.52

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Solution

The fourth proportional to 18,196.20, 25,111.08 and 11,126.52 is: 15,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196.20 : 25,111.08 = 11,126.52 : x
  2. Step 2: Convert to fraction form
    18,196.20/25,111.08 = 11,126.52/x
  3. Step 3: Cross multiply
    18,196.20x = 25,111.08 × 11,126.52
  4. Step 4: Simplify right side
    18,196.20x = 279,398,933.84
  5. Step 5: Solve for x
    x = 279,398,933.84/18,196.20
  6. Step 6: Final answer
    x = 15,354.80

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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.