Home / 14,787.57-20,406.72-8,073.27

Finding the Fourth Proportional to 14,787.57, 20,406.72 and 8,073.27

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Solution

The fourth proportional to 14,787.57, 20,406.72 and 8,073.27 is: 11,141.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787.57 : 20,406.72 = 8,073.27 : x
  2. Step 2: Convert to fraction form
    14,787.57/20,406.72 = 8,073.27/x
  3. Step 3: Cross multiply
    14,787.57x = 20,406.72 × 8,073.27
  4. Step 4: Simplify right side
    14,787.57x = 164,748,960.37
  5. Step 5: Solve for x
    x = 164,748,960.37/14,787.57
  6. Step 6: Final answer
    x = 11,141.04

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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.