Home / 13,669.63-20,500.80-5,876.62

Finding the Fourth Proportional to 13,669.63, 20,500.80 and 5,876.62

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Solution

The fourth proportional to 13,669.63, 20,500.80 and 5,876.62 is: 8,813.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.63 : 20,500.80 = 5,876.62 : x
  2. Step 2: Convert to fraction form
    13,669.63/20,500.80 = 5,876.62/x
  3. Step 3: Cross multiply
    13,669.63x = 20,500.80 × 5,876.62
  4. Step 4: Simplify right side
    13,669.63x = 120,475,411.30
  5. Step 5: Solve for x
    x = 120,475,411.30/13,669.63
  6. Step 6: Final answer
    x = 8,813.36

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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.