Home / 18,682.20-25,780.65-10,184.14

Finding the Fourth Proportional to 18,682.20, 25,780.65 and 10,184.14

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Solution

The fourth proportional to 18,682.20, 25,780.65 and 10,184.14 is: 14,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682.20 : 25,780.65 = 10,184.14 : x
  2. Step 2: Convert to fraction form
    18,682.20/25,780.65 = 10,184.14/x
  3. Step 3: Cross multiply
    18,682.20x = 25,780.65 × 10,184.14
  4. Step 4: Simplify right side
    18,682.20x = 262,553,748.89
  5. Step 5: Solve for x
    x = 262,553,748.89/18,682.20
  6. Step 6: Final answer
    x = 14,053.68

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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.