Home / 16,776.07-23,142.43-12,790.26

Finding the Fourth Proportional to 16,776.07, 23,142.43 and 12,790.26

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Solution

The fourth proportional to 16,776.07, 23,142.43 and 12,790.26 is: 17,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,776.07 : 23,142.43 = 12,790.26 : x
  2. Step 2: Convert to fraction form
    16,776.07/23,142.43 = 12,790.26/x
  3. Step 3: Cross multiply
    16,776.07x = 23,142.43 × 12,790.26
  4. Step 4: Simplify right side
    16,776.07x = 295,997,664.76
  5. Step 5: Solve for x
    x = 295,997,664.76/16,776.07
  6. Step 6: Final answer
    x = 17,644.04

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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.