Home / 16,691.41-23,032.58-9,975.70

Finding the Fourth Proportional to 16,691.41, 23,032.58 and 9,975.70

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Solution

The fourth proportional to 16,691.41, 23,032.58 and 9,975.70 is: 13,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.41 : 23,032.58 = 9,975.70 : x
  2. Step 2: Convert to fraction form
    16,691.41/23,032.58 = 9,975.70/x
  3. Step 3: Cross multiply
    16,691.41x = 23,032.58 × 9,975.70
  4. Step 4: Simplify right side
    16,691.41x = 229,766,108.31
  5. Step 5: Solve for x
    x = 229,766,108.31/16,691.41
  6. Step 6: Final answer
    x = 13,765.53

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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.