Home / 18,631.22-25,712.97-10,674.50

Finding the Fourth Proportional to 18,631.22, 25,712.97 and 10,674.50

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Solution

The fourth proportional to 18,631.22, 25,712.97 and 10,674.50 is: 14,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.22 : 25,712.97 = 10,674.50 : x
  2. Step 2: Convert to fraction form
    18,631.22/25,712.97 = 10,674.50/x
  3. Step 3: Cross multiply
    18,631.22x = 25,712.97 × 10,674.50
  4. Step 4: Simplify right side
    18,631.22x = 274,473,098.27
  5. Step 5: Solve for x
    x = 274,473,098.27/18,631.22
  6. Step 6: Final answer
    x = 14,731.89

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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.