Home / 13,700.60-20,553.24-4,340.46

Finding the Fourth Proportional to 13,700.60, 20,553.24 and 4,340.46

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Solution

The fourth proportional to 13,700.60, 20,553.24 and 4,340.46 is: 6,511.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700.60 : 20,553.24 = 4,340.46 : x
  2. Step 2: Convert to fraction form
    13,700.60/20,553.24 = 4,340.46/x
  3. Step 3: Cross multiply
    13,700.60x = 20,553.24 × 4,340.46
  4. Step 4: Simplify right side
    13,700.60x = 89,210,516.09
  5. Step 5: Solve for x
    x = 89,210,516.09/13,700.60
  6. Step 6: Final answer
    x = 6,511.43

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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.