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Finding the Fourth Proportional to 18,014.70, 24,860.70 and 11,300.61

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Solution

The fourth proportional to 18,014.70, 24,860.70 and 11,300.61 is: 15,595.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,014.70 : 24,860.70 = 11,300.61 : x
  2. Step 2: Convert to fraction form
    18,014.70/24,860.70 = 11,300.61/x
  3. Step 3: Cross multiply
    18,014.70x = 24,860.70 × 11,300.61
  4. Step 4: Simplify right side
    18,014.70x = 280,940,950.72
  5. Step 5: Solve for x
    x = 280,940,950.72/18,014.70
  6. Step 6: Final answer
    x = 15,595.10

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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.