Home / 18,437.73-27,580.65-16,866.28

Finding the Fourth Proportional to 18,437.73, 27,580.65 and 16,866.28

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Solution

The fourth proportional to 18,437.73, 27,580.65 and 16,866.28 is: 25,229.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.73 : 27,580.65 = 16,866.28 : x
  2. Step 2: Convert to fraction form
    18,437.73/27,580.65 = 16,866.28/x
  3. Step 3: Cross multiply
    18,437.73x = 27,580.65 × 16,866.28
  4. Step 4: Simplify right side
    18,437.73x = 465,182,876.44
  5. Step 5: Solve for x
    x = 465,182,876.44/18,437.73
  6. Step 6: Final answer
    x = 25,229.95

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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.