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Finding the Fourth Proportional to 13,952.68, 19,254.18 and 7,664.68

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Solution

The fourth proportional to 13,952.68, 19,254.18 and 7,664.68 is: 10,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.68 : 19,254.18 = 7,664.68 : x
  2. Step 2: Convert to fraction form
    13,952.68/19,254.18 = 7,664.68/x
  3. Step 3: Cross multiply
    13,952.68x = 19,254.18 × 7,664.68
  4. Step 4: Simplify right side
    13,952.68x = 147,577,128.36
  5. Step 5: Solve for x
    x = 147,577,128.36/13,952.68
  6. Step 6: Final answer
    x = 10,576.97

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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.