Home / 26,610.72-39,916.44-12,756.48

Finding the Fourth Proportional to 26,610.72, 39,916.44 and 12,756.48

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Solution

The fourth proportional to 26,610.72, 39,916.44 and 12,756.48 is: 19,134.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,610.72 : 39,916.44 = 12,756.48 : x
  2. Step 2: Convert to fraction form
    26,610.72/39,916.44 = 12,756.48/x
  3. Step 3: Cross multiply
    26,610.72x = 39,916.44 × 12,756.48
  4. Step 4: Simplify right side
    26,610.72x = 509,193,268.53
  5. Step 5: Solve for x
    x = 509,193,268.53/26,610.72
  6. Step 6: Final answer
    x = 19,134.89

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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.