Home / 19,737.84-27,256.40-12,676.56

Finding the Fourth Proportional to 19,737.84, 27,256.40 and 12,676.56

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Solution

The fourth proportional to 19,737.84, 27,256.40 and 12,676.56 is: 17,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,737.84 : 27,256.40 = 12,676.56 : x
  2. Step 2: Convert to fraction form
    19,737.84/27,256.40 = 12,676.56/x
  3. Step 3: Cross multiply
    19,737.84x = 27,256.40 × 12,676.56
  4. Step 4: Simplify right side
    19,737.84x = 345,517,389.98
  5. Step 5: Solve for x
    x = 345,517,389.98/19,737.84
  6. Step 6: Final answer
    x = 17,505.33

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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.