Home / 19,305.84-28,973.32-14,125.08

Finding the Fourth Proportional to 19,305.84, 28,973.32 and 14,125.08

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Solution

The fourth proportional to 19,305.84, 28,973.32 and 14,125.08 is: 21,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.84 : 28,973.32 = 14,125.08 : x
  2. Step 2: Convert to fraction form
    19,305.84/28,973.32 = 14,125.08/x
  3. Step 3: Cross multiply
    19,305.84x = 28,973.32 × 14,125.08
  4. Step 4: Simplify right side
    19,305.84x = 409,250,462.87
  5. Step 5: Solve for x
    x = 409,250,462.87/19,305.84
  6. Step 6: Final answer
    x = 21,198.27

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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.