Home / 26,299.50-36,283.96-15,542.09

Finding the Fourth Proportional to 26,299.50, 36,283.96 and 15,542.09

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Solution

The fourth proportional to 26,299.50, 36,283.96 and 15,542.09 is: 21,442.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,299.50 : 36,283.96 = 15,542.09 : x
  2. Step 2: Convert to fraction form
    26,299.50/36,283.96 = 15,542.09/x
  3. Step 3: Cross multiply
    26,299.50x = 36,283.96 × 15,542.09
  4. Step 4: Simplify right side
    26,299.50x = 563,928,669.85
  5. Step 5: Solve for x
    x = 563,928,669.85/26,299.50
  6. Step 6: Final answer
    x = 21,442.56

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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.