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Finding the Fourth Proportional to 14,830.11, 20,473.02 and 11,465.33

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Solution

The fourth proportional to 14,830.11, 20,473.02 and 11,465.33 is: 15,827.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,830.11 : 20,473.02 = 11,465.33 : x
  2. Step 2: Convert to fraction form
    14,830.11/20,473.02 = 11,465.33/x
  3. Step 3: Cross multiply
    14,830.11x = 20,473.02 × 11,465.33
  4. Step 4: Simplify right side
    14,830.11x = 234,729,930.40
  5. Step 5: Solve for x
    x = 234,729,930.40/14,830.11
  6. Step 6: Final answer
    x = 15,827.93

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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.