Home / 14,588.98-20,120.76-9,274.54

Finding the Fourth Proportional to 14,588.98, 20,120.76 and 9,274.54

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Solution

The fourth proportional to 14,588.98, 20,120.76 and 9,274.54 is: 12,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.98 : 20,120.76 = 9,274.54 : x
  2. Step 2: Convert to fraction form
    14,588.98/20,120.76 = 9,274.54/x
  3. Step 3: Cross multiply
    14,588.98x = 20,120.76 × 9,274.54
  4. Step 4: Simplify right side
    14,588.98x = 186,610,793.45
  5. Step 5: Solve for x
    x = 186,610,793.45/14,588.98
  6. Step 6: Final answer
    x = 12,791.22

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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.