Home / 18,172.86-25,123.28-18,006.54

Finding the Fourth Proportional to 18,172.86, 25,123.28 and 18,006.54

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Solution

The fourth proportional to 18,172.86, 25,123.28 and 18,006.54 is: 24,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172.86 : 25,123.28 = 18,006.54 : x
  2. Step 2: Convert to fraction form
    18,172.86/25,123.28 = 18,006.54/x
  3. Step 3: Cross multiply
    18,172.86x = 25,123.28 × 18,006.54
  4. Step 4: Simplify right side
    18,172.86x = 452,383,256.22
  5. Step 5: Solve for x
    x = 452,383,256.22/18,172.86
  6. Step 6: Final answer
    x = 24,893.34

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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.