Home / 18,759.39-25,867.35-12,042.48

Finding the Fourth Proportional to 18,759.39, 25,867.35 and 12,042.48

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Solution

The fourth proportional to 18,759.39, 25,867.35 and 12,042.48 is: 16,605.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759.39 : 25,867.35 = 12,042.48 : x
  2. Step 2: Convert to fraction form
    18,759.39/25,867.35 = 12,042.48/x
  3. Step 3: Cross multiply
    18,759.39x = 25,867.35 × 12,042.48
  4. Step 4: Simplify right side
    18,759.39x = 311,507,045.03
  5. Step 5: Solve for x
    x = 311,507,045.03/18,759.39
  6. Step 6: Final answer
    x = 16,605.39

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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.