Home / 16,801.88-23,158.06-11,487.48

Finding the Fourth Proportional to 16,801.88, 23,158.06 and 11,487.48

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Solution

The fourth proportional to 16,801.88, 23,158.06 and 11,487.48 is: 15,833.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,801.88 : 23,158.06 = 11,487.48 : x
  2. Step 2: Convert to fraction form
    16,801.88/23,158.06 = 11,487.48/x
  3. Step 3: Cross multiply
    16,801.88x = 23,158.06 × 11,487.48
  4. Step 4: Simplify right side
    16,801.88x = 266,027,751.09
  5. Step 5: Solve for x
    x = 266,027,751.09/16,801.88
  6. Step 6: Final answer
    x = 15,833.21

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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.