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Finding the Fourth Proportional to 14,356.58, 19,807.11 and 8,975.34

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Solution

The fourth proportional to 14,356.58, 19,807.11 and 8,975.34 is: 12,382.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.58 : 19,807.11 = 8,975.34 : x
  2. Step 2: Convert to fraction form
    14,356.58/19,807.11 = 8,975.34/x
  3. Step 3: Cross multiply
    14,356.58x = 19,807.11 × 8,975.34
  4. Step 4: Simplify right side
    14,356.58x = 177,775,546.67
  5. Step 5: Solve for x
    x = 177,775,546.67/14,356.58
  6. Step 6: Final answer
    x = 12,382.87

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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.