Home / 18,416.10-25,407.55-12,046.32

Finding the Fourth Proportional to 18,416.10, 25,407.55 and 12,046.32

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Solution

The fourth proportional to 18,416.10, 25,407.55 and 12,046.32 is: 16,619.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.10 : 25,407.55 = 12,046.32 : x
  2. Step 2: Convert to fraction form
    18,416.10/25,407.55 = 12,046.32/x
  3. Step 3: Cross multiply
    18,416.10x = 25,407.55 × 12,046.32
  4. Step 4: Simplify right side
    18,416.10x = 306,067,458.89
  5. Step 5: Solve for x
    x = 306,067,458.89/18,416.10
  6. Step 6: Final answer
    x = 16,619.56

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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.