Home / 18,747.22-25,860.93-12,025.37

Finding the Fourth Proportional to 18,747.22, 25,860.93 and 12,025.37

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Solution

The fourth proportional to 18,747.22, 25,860.93 and 12,025.37 is: 16,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.22 : 25,860.93 = 12,025.37 : x
  2. Step 2: Convert to fraction form
    18,747.22/25,860.93 = 12,025.37/x
  3. Step 3: Cross multiply
    18,747.22x = 25,860.93 × 12,025.37
  4. Step 4: Simplify right side
    18,747.22x = 310,987,251.79
  5. Step 5: Solve for x
    x = 310,987,251.79/18,747.22
  6. Step 6: Final answer
    x = 16,588.45

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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.