Home / 18,313.59-25,274.03-10,355.85

Finding the Fourth Proportional to 18,313.59, 25,274.03 and 10,355.85

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Solution

The fourth proportional to 18,313.59, 25,274.03 and 10,355.85 is: 14,291.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.59 : 25,274.03 = 10,355.85 : x
  2. Step 2: Convert to fraction form
    18,313.59/25,274.03 = 10,355.85/x
  3. Step 3: Cross multiply
    18,313.59x = 25,274.03 × 10,355.85
  4. Step 4: Simplify right side
    18,313.59x = 261,734,011.80
  5. Step 5: Solve for x
    x = 261,734,011.80/18,313.59
  6. Step 6: Final answer
    x = 14,291.79

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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.