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Finding the Fourth Proportional to 19,652.94, 27,093.87 and 14,347.98

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Solution

The fourth proportional to 19,652.94, 27,093.87 and 14,347.98 is: 19,780.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.94 : 27,093.87 = 14,347.98 : x
  2. Step 2: Convert to fraction form
    19,652.94/27,093.87 = 14,347.98/x
  3. Step 3: Cross multiply
    19,652.94x = 27,093.87 × 14,347.98
  4. Step 4: Simplify right side
    19,652.94x = 388,742,304.88
  5. Step 5: Solve for x
    x = 388,742,304.88/19,652.94
  6. Step 6: Final answer
    x = 19,780.36

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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.