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Finding the Fourth Proportional to 14,604.65, 20,141.99 and 12,347.00

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Solution

The fourth proportional to 14,604.65, 20,141.99 and 12,347.00 is: 17,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,604.65 : 20,141.99 = 12,347.00 : x
  2. Step 2: Convert to fraction form
    14,604.65/20,141.99 = 12,347.00/x
  3. Step 3: Cross multiply
    14,604.65x = 20,141.99 × 12,347.00
  4. Step 4: Simplify right side
    14,604.65x = 248,693,080.69
  5. Step 5: Solve for x
    x = 248,693,080.69/14,604.65
  6. Step 6: Final answer
    x = 17,028.36

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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.