Home / 14,787.63-20,406.96-8,073.26

Finding the Fourth Proportional to 14,787.63, 20,406.96 and 8,073.26

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Solution

The fourth proportional to 14,787.63, 20,406.96 and 8,073.26 is: 11,141.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787.63 : 20,406.96 = 8,073.26 : x
  2. Step 2: Convert to fraction form
    14,787.63/20,406.96 = 8,073.26/x
  3. Step 3: Cross multiply
    14,787.63x = 20,406.96 × 8,073.26
  4. Step 4: Simplify right side
    14,787.63x = 164,750,668.38
  5. Step 5: Solve for x
    x = 164,750,668.38/14,787.63
  6. Step 6: Final answer
    x = 11,141.11

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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.