Home / 16,691.54-23,032.75-9,975.83

Finding the Fourth Proportional to 16,691.54, 23,032.75 and 9,975.83

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Solution

The fourth proportional to 16,691.54, 23,032.75 and 9,975.83 is: 13,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.54 : 23,032.75 = 9,975.83 : x
  2. Step 2: Convert to fraction form
    16,691.54/23,032.75 = 9,975.83/x
  3. Step 3: Cross multiply
    16,691.54x = 23,032.75 × 9,975.83
  4. Step 4: Simplify right side
    16,691.54x = 229,770,798.43
  5. Step 5: Solve for x
    x = 229,770,798.43/16,691.54
  6. Step 6: Final answer
    x = 13,765.70

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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.