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Finding the Fourth Proportional to 14,361.37, 19,818.98 and 8,393.29

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Solution

The fourth proportional to 14,361.37, 19,818.98 and 8,393.29 is: 11,582.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,361.37 : 19,818.98 = 8,393.29 : x
  2. Step 2: Convert to fraction form
    14,361.37/19,818.98 = 8,393.29/x
  3. Step 3: Cross multiply
    14,361.37x = 19,818.98 × 8,393.29
  4. Step 4: Simplify right side
    14,361.37x = 166,346,386.61
  5. Step 5: Solve for x
    x = 166,346,386.61/14,361.37
  6. Step 6: Final answer
    x = 11,582.91

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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.