Home / 18,189.52-27,244.73-11,148.28

Finding the Fourth Proportional to 18,189.52, 27,244.73 and 11,148.28

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Solution

The fourth proportional to 18,189.52, 27,244.73 and 11,148.28 is: 16,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189.52 : 27,244.73 = 11,148.28 : x
  2. Step 2: Convert to fraction form
    18,189.52/27,244.73 = 11,148.28/x
  3. Step 3: Cross multiply
    18,189.52x = 27,244.73 × 11,148.28
  4. Step 4: Simplify right side
    18,189.52x = 303,731,838.32
  5. Step 5: Solve for x
    x = 303,731,838.32/18,189.52
  6. Step 6: Final answer
    x = 16,698.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.