Home / 23,760.43-32,780.07-15,261.38

Finding the Fourth Proportional to 23,760.43, 32,780.07 and 15,261.38

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Solution

The fourth proportional to 23,760.43, 32,780.07 and 15,261.38 is: 21,054.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,760.43 : 32,780.07 = 15,261.38 : x
  2. Step 2: Convert to fraction form
    23,760.43/32,780.07 = 15,261.38/x
  3. Step 3: Cross multiply
    23,760.43x = 32,780.07 × 15,261.38
  4. Step 4: Simplify right side
    23,760.43x = 500,269,063.72
  5. Step 5: Solve for x
    x = 500,269,063.72/23,760.43
  6. Step 6: Final answer
    x = 21,054.72

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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.