Home / 18,382.52-25,371.96-11,214.02

Finding the Fourth Proportional to 18,382.52, 25,371.96 and 11,214.02

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Solution

The fourth proportional to 18,382.52, 25,371.96 and 11,214.02 is: 15,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.52 : 25,371.96 = 11,214.02 : x
  2. Step 2: Convert to fraction form
    18,382.52/25,371.96 = 11,214.02/x
  3. Step 3: Cross multiply
    18,382.52x = 25,371.96 × 11,214.02
  4. Step 4: Simplify right side
    18,382.52x = 284,521,666.88
  5. Step 5: Solve for x
    x = 284,521,666.88/18,382.52
  6. Step 6: Final answer
    x = 15,477.84

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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.