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Finding the Fourth Proportional to 14,924.66, 20,591.15 and 8,551.99

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Solution

The fourth proportional to 14,924.66, 20,591.15 and 8,551.99 is: 11,798.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,924.66 : 20,591.15 = 8,551.99 : x
  2. Step 2: Convert to fraction form
    14,924.66/20,591.15 = 8,551.99/x
  3. Step 3: Cross multiply
    14,924.66x = 20,591.15 × 8,551.99
  4. Step 4: Simplify right side
    14,924.66x = 176,095,214.65
  5. Step 5: Solve for x
    x = 176,095,214.65/14,924.66
  6. Step 6: Final answer
    x = 11,798.94

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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.