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Finding the Fourth Proportional to 19,953.77, 29,924.57 and 8,264.25

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Solution

The fourth proportional to 19,953.77, 29,924.57 and 8,264.25 is: 12,393.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.77 : 29,924.57 = 8,264.25 : x
  2. Step 2: Convert to fraction form
    19,953.77/29,924.57 = 8,264.25/x
  3. Step 3: Cross multiply
    19,953.77x = 29,924.57 × 8,264.25
  4. Step 4: Simplify right side
    19,953.77x = 247,304,148.28
  5. Step 5: Solve for x
    x = 247,304,148.28/19,953.77
  6. Step 6: Final answer
    x = 12,393.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.