Home / 20,846.10-28,764.95-11,893.08

Finding the Fourth Proportional to 20,846.10, 28,764.95 and 11,893.08

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Solution

The fourth proportional to 20,846.10, 28,764.95 and 11,893.08 is: 16,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,846.10 : 28,764.95 = 11,893.08 : x
  2. Step 2: Convert to fraction form
    20,846.10/28,764.95 = 11,893.08/x
  3. Step 3: Cross multiply
    20,846.10x = 28,764.95 × 11,893.08
  4. Step 4: Simplify right side
    20,846.10x = 342,103,792.08
  5. Step 5: Solve for x
    x = 342,103,792.08/20,846.10
  6. Step 6: Final answer
    x = 16,410.93

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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.