Home / 18,038.39-27,060.54-5,558.41

Finding the Fourth Proportional to 18,038.39, 27,060.54 and 5,558.41

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Solution

The fourth proportional to 18,038.39, 27,060.54 and 5,558.41 is: 8,338.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.39 : 27,060.54 = 5,558.41 : x
  2. Step 2: Convert to fraction form
    18,038.39/27,060.54 = 5,558.41/x
  3. Step 3: Cross multiply
    18,038.39x = 27,060.54 × 5,558.41
  4. Step 4: Simplify right side
    18,038.39x = 150,413,508.49
  5. Step 5: Solve for x
    x = 150,413,508.49/18,038.39
  6. Step 6: Final answer
    x = 8,338.52

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1.5x scale

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.