Home / 18,887.02-28,442.94-16,451.25

Finding the Fourth Proportional to 18,887.02, 28,442.94 and 16,451.25

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Solution

The fourth proportional to 18,887.02, 28,442.94 and 16,451.25 is: 24,774.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.02 : 28,442.94 = 16,451.25 : x
  2. Step 2: Convert to fraction form
    18,887.02/28,442.94 = 16,451.25/x
  3. Step 3: Cross multiply
    18,887.02x = 28,442.94 × 16,451.25
  4. Step 4: Simplify right side
    18,887.02x = 467,921,978.37
  5. Step 5: Solve for x
    x = 467,921,978.37/18,887.02
  6. Step 6: Final answer
    x = 24,774.79

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.