Home / 18,886.36-28,441.96-16,450.60

Finding the Fourth Proportional to 18,886.36, 28,441.96 and 16,450.60

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Solution

The fourth proportional to 18,886.36, 28,441.96 and 16,450.60 is: 24,773.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,886.36 : 28,441.96 = 16,450.60 : x
  2. Step 2: Convert to fraction form
    18,886.36/28,441.96 = 16,450.60/x
  3. Step 3: Cross multiply
    18,886.36x = 28,441.96 × 16,450.60
  4. Step 4: Simplify right side
    18,886.36x = 467,887,307.18
  5. Step 5: Solve for x
    x = 467,887,307.18/18,886.36
  6. Step 6: Final answer
    x = 24,773.82

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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.