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Finding the Fourth Proportional to 14,015.58, 19,341.36 and 8,049.12

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Solution

The fourth proportional to 14,015.58, 19,341.36 and 8,049.12 is: 11,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.58 : 19,341.36 = 8,049.12 : x
  2. Step 2: Convert to fraction form
    14,015.58/19,341.36 = 8,049.12/x
  3. Step 3: Cross multiply
    14,015.58x = 19,341.36 × 8,049.12
  4. Step 4: Simplify right side
    14,015.58x = 155,680,927.60
  5. Step 5: Solve for x
    x = 155,680,927.60/14,015.58
  6. Step 6: Final answer
    x = 11,107.70

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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.