Home / 18,833.12-25,989.36-10,449.44

Finding the Fourth Proportional to 18,833.12, 25,989.36 and 10,449.44

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Solution

The fourth proportional to 18,833.12, 25,989.36 and 10,449.44 is: 14,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.12 : 25,989.36 = 10,449.44 : x
  2. Step 2: Convert to fraction form
    18,833.12/25,989.36 = 10,449.44/x
  3. Step 3: Cross multiply
    18,833.12x = 25,989.36 × 10,449.44
  4. Step 4: Simplify right side
    18,833.12x = 271,574,257.96
  5. Step 5: Solve for x
    x = 271,574,257.96/18,833.12
  6. Step 6: Final answer
    x = 14,420.04

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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.