Home / 18,759.44-25,875.24-12,042.32

Finding the Fourth Proportional to 18,759.44, 25,875.24 and 12,042.32

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Solution

The fourth proportional to 18,759.44, 25,875.24 and 12,042.32 is: 16,610.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759.44 : 25,875.24 = 12,042.32 : x
  2. Step 2: Convert to fraction form
    18,759.44/25,875.24 = 12,042.32/x
  3. Step 3: Cross multiply
    18,759.44x = 25,875.24 × 12,042.32
  4. Step 4: Simplify right side
    18,759.44x = 311,597,920.16
  5. Step 5: Solve for x
    x = 311,597,920.16/18,759.44
  6. Step 6: Final answer
    x = 16,610.19

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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.