Home / 23,782.28-32,821.62-20,257.16

Finding the Fourth Proportional to 23,782.28, 32,821.62 and 20,257.16

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Solution

The fourth proportional to 23,782.28, 32,821.62 and 20,257.16 is: 27,956.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,782.28 : 32,821.62 = 20,257.16 : x
  2. Step 2: Convert to fraction form
    23,782.28/32,821.62 = 20,257.16/x
  3. Step 3: Cross multiply
    23,782.28x = 32,821.62 × 20,257.16
  4. Step 4: Simplify right side
    23,782.28x = 664,872,807.80
  5. Step 5: Solve for x
    x = 664,872,807.80/23,782.28
  6. Step 6: Final answer
    x = 27,956.65

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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.