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Finding the Fourth Proportional to 19,653.72, 29,463.16 and 14,093.07

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Solution

The fourth proportional to 19,653.72, 29,463.16 and 14,093.07 is: 21,127.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.72 : 29,463.16 = 14,093.07 : x
  2. Step 2: Convert to fraction form
    19,653.72/29,463.16 = 14,093.07/x
  3. Step 3: Cross multiply
    19,653.72x = 29,463.16 × 14,093.07
  4. Step 4: Simplify right side
    19,653.72x = 415,226,305.84
  5. Step 5: Solve for x
    x = 415,226,305.84/19,653.72
  6. Step 6: Final answer
    x = 21,127.11

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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.