Home / 13,674.39-20,511.57-10,558.92

Finding the Fourth Proportional to 13,674.39, 20,511.57 and 10,558.92

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Solution

The fourth proportional to 13,674.39, 20,511.57 and 10,558.92 is: 15,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.39 : 20,511.57 = 10,558.92 : x
  2. Step 2: Convert to fraction form
    13,674.39/20,511.57 = 10,558.92/x
  3. Step 3: Cross multiply
    13,674.39x = 20,511.57 × 10,558.92
  4. Step 4: Simplify right side
    13,674.39x = 216,580,026.70
  5. Step 5: Solve for x
    x = 216,580,026.70/13,674.39
  6. Step 6: Final answer
    x = 15,838.37

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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.