Home / 14,757.90-20,365.68-8,043.81

Finding the Fourth Proportional to 14,757.90, 20,365.68 and 8,043.81

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Solution

The fourth proportional to 14,757.90, 20,365.68 and 8,043.81 is: 11,100.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757.90 : 20,365.68 = 8,043.81 : x
  2. Step 2: Convert to fraction form
    14,757.90/20,365.68 = 8,043.81/x
  3. Step 3: Cross multiply
    14,757.90x = 20,365.68 × 8,043.81
  4. Step 4: Simplify right side
    14,757.90x = 163,817,660.44
  5. Step 5: Solve for x
    x = 163,817,660.44/14,757.90
  6. Step 6: Final answer
    x = 11,100.34

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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.