Home / 13,677.63-20,516.46-9,018.44

Finding the Fourth Proportional to 13,677.63, 20,516.46 and 9,018.44

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Solution

The fourth proportional to 13,677.63, 20,516.46 and 9,018.44 is: 13,527.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.63 : 20,516.46 = 9,018.44 : x
  2. Step 2: Convert to fraction form
    13,677.63/20,516.46 = 9,018.44/x
  3. Step 3: Cross multiply
    13,677.63x = 20,516.46 × 9,018.44
  4. Step 4: Simplify right side
    13,677.63x = 185,026,360.94
  5. Step 5: Solve for x
    x = 185,026,360.94/13,677.63
  6. Step 6: Final answer
    x = 13,527.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.