Home / 18,916.54-26,076.30-15,553.52

Finding the Fourth Proportional to 18,916.54, 26,076.30 and 15,553.52

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Solution

The fourth proportional to 18,916.54, 26,076.30 and 15,553.52 is: 21,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916.54 : 26,076.30 = 15,553.52 : x
  2. Step 2: Convert to fraction form
    18,916.54/26,076.30 = 15,553.52/x
  3. Step 3: Cross multiply
    18,916.54x = 26,076.30 × 15,553.52
  4. Step 4: Simplify right side
    18,916.54x = 405,578,293.89
  5. Step 5: Solve for x
    x = 405,578,293.89/18,916.54
  6. Step 6: Final answer
    x = 21,440.41

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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.