Home / 18,442.08-27,666.72-11,037.60

Finding the Fourth Proportional to 18,442.08, 27,666.72 and 11,037.60

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Solution

The fourth proportional to 18,442.08, 27,666.72 and 11,037.60 is: 16,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.08 : 27,666.72 = 11,037.60 : x
  2. Step 2: Convert to fraction form
    18,442.08/27,666.72 = 11,037.60/x
  3. Step 3: Cross multiply
    18,442.08x = 27,666.72 × 11,037.60
  4. Step 4: Simplify right side
    18,442.08x = 305,374,188.67
  5. Step 5: Solve for x
    x = 305,374,188.67/18,442.08
  6. Step 6: Final answer
    x = 16,558.55

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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.