Home / 26,890.87-37,045.17-18,809.44

Finding the Fourth Proportional to 26,890.87, 37,045.17 and 18,809.44

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Solution

The fourth proportional to 26,890.87, 37,045.17 and 18,809.44 is: 25,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.87 : 37,045.17 = 18,809.44 : x
  2. Step 2: Convert to fraction form
    26,890.87/37,045.17 = 18,809.44/x
  3. Step 3: Cross multiply
    26,890.87x = 37,045.17 × 18,809.44
  4. Step 4: Simplify right side
    26,890.87x = 696,798,938.03
  5. Step 5: Solve for x
    x = 696,798,938.03/26,890.87
  6. Step 6: Final answer
    x = 25,912.10

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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.