Home / 14,972.85-20,662.29-8,259.03

Finding the Fourth Proportional to 14,972.85, 20,662.29 and 8,259.03

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Solution

The fourth proportional to 14,972.85, 20,662.29 and 8,259.03 is: 11,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972.85 : 20,662.29 = 8,259.03 : x
  2. Step 2: Convert to fraction form
    14,972.85/20,662.29 = 8,259.03/x
  3. Step 3: Cross multiply
    14,972.85x = 20,662.29 × 8,259.03
  4. Step 4: Simplify right side
    14,972.85x = 170,650,472.98
  5. Step 5: Solve for x
    x = 170,650,472.98/14,972.85
  6. Step 6: Final answer
    x = 11,397.33

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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.