Home / 25,760.64-38,553.44-19,943.20

Finding the Fourth Proportional to 25,760.64, 38,553.44 and 19,943.20

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Solution

The fourth proportional to 25,760.64, 38,553.44 and 19,943.20 is: 29,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,760.64 : 38,553.44 = 19,943.20 : x
  2. Step 2: Convert to fraction form
    25,760.64/38,553.44 = 19,943.20/x
  3. Step 3: Cross multiply
    25,760.64x = 38,553.44 × 19,943.20
  4. Step 4: Simplify right side
    25,760.64x = 768,878,964.61
  5. Step 5: Solve for x
    x = 768,878,964.61/25,760.64
  6. Step 6: Final answer
    x = 29,847.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.