Home / 18,532.06-27,798.29-7,288.54

Finding the Fourth Proportional to 18,532.06, 27,798.29 and 7,288.54

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Solution

The fourth proportional to 18,532.06, 27,798.29 and 7,288.54 is: 10,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532.06 : 27,798.29 = 7,288.54 : x
  2. Step 2: Convert to fraction form
    18,532.06/27,798.29 = 7,288.54/x
  3. Step 3: Cross multiply
    18,532.06x = 27,798.29 × 7,288.54
  4. Step 4: Simplify right side
    18,532.06x = 202,608,948.60
  5. Step 5: Solve for x
    x = 202,608,948.60/18,532.06
  6. Step 6: Final answer
    x = 10,932.89

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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.