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Finding the Fourth Proportional to 14,830.41, 20,473.41 and 11,465.61

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Solution

The fourth proportional to 14,830.41, 20,473.41 and 11,465.61 is: 15,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,830.41 : 20,473.41 = 11,465.61 : x
  2. Step 2: Convert to fraction form
    14,830.41/20,473.41 = 11,465.61/x
  3. Step 3: Cross multiply
    14,830.41x = 20,473.41 × 11,465.61
  4. Step 4: Simplify right side
    14,830.41x = 234,740,134.43
  5. Step 5: Solve for x
    x = 234,740,134.43/14,830.41
  6. Step 6: Final answer
    x = 15,828.30

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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.