Home / 18,674.88-25,771.24-10,291.36

Finding the Fourth Proportional to 18,674.88, 25,771.24 and 10,291.36

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Solution

The fourth proportional to 18,674.88, 25,771.24 and 10,291.36 is: 14,202.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.88 : 25,771.24 = 10,291.36 : x
  2. Step 2: Convert to fraction form
    18,674.88/25,771.24 = 10,291.36/x
  3. Step 3: Cross multiply
    18,674.88x = 25,771.24 × 10,291.36
  4. Step 4: Simplify right side
    18,674.88x = 265,221,108.49
  5. Step 5: Solve for x
    x = 265,221,108.49/18,674.88
  6. Step 6: Final answer
    x = 14,202.02

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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.