Home / 15,747.75-21,731.18-9,032.96

Finding the Fourth Proportional to 15,747.75, 21,731.18 and 9,032.96

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Solution

The fourth proportional to 15,747.75, 21,731.18 and 9,032.96 is: 12,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747.75 : 21,731.18 = 9,032.96 : x
  2. Step 2: Convert to fraction form
    15,747.75/21,731.18 = 9,032.96/x
  3. Step 3: Cross multiply
    15,747.75x = 21,731.18 × 9,032.96
  4. Step 4: Simplify right side
    15,747.75x = 196,296,725.87
  5. Step 5: Solve for x
    x = 196,296,725.87/15,747.75
  6. Step 6: Final answer
    x = 12,465.06

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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.