Home / 14,549.72-21,827.81-7,972.52

Finding the Fourth Proportional to 14,549.72, 21,827.81 and 7,972.52

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Solution

The fourth proportional to 14,549.72, 21,827.81 and 7,972.52 is: 11,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.72 : 21,827.81 = 7,972.52 : x
  2. Step 2: Convert to fraction form
    14,549.72/21,827.81 = 7,972.52/x
  3. Step 3: Cross multiply
    14,549.72x = 21,827.81 × 7,972.52
  4. Step 4: Simplify right side
    14,549.72x = 174,022,562.57
  5. Step 5: Solve for x
    x = 174,022,562.57/14,549.72
  6. Step 6: Final answer
    x = 11,960.55

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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.