Home / 14,553.50-20,087.07-9,247.28

Finding the Fourth Proportional to 14,553.50, 20,087.07 and 9,247.28

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Solution

The fourth proportional to 14,553.50, 20,087.07 and 9,247.28 is: 12,763.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,553.50 : 20,087.07 = 9,247.28 : x
  2. Step 2: Convert to fraction form
    14,553.50/20,087.07 = 9,247.28/x
  3. Step 3: Cross multiply
    14,553.50x = 20,087.07 × 9,247.28
  4. Step 4: Simplify right side
    14,553.50x = 185,750,760.67
  5. Step 5: Solve for x
    x = 185,750,760.67/14,553.50
  6. Step 6: Final answer
    x = 12,763.31

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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.