Home / 18,833.36-25,989.89-10,449.86

Finding the Fourth Proportional to 18,833.36, 25,989.89 and 10,449.86

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Solution

The fourth proportional to 18,833.36, 25,989.89 and 10,449.86 is: 14,420.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.36 : 25,989.89 = 10,449.86 : x
  2. Step 2: Convert to fraction form
    18,833.36/25,989.89 = 10,449.86/x
  3. Step 3: Cross multiply
    18,833.36x = 25,989.89 × 10,449.86
  4. Step 4: Simplify right side
    18,833.36x = 271,590,529.72
  5. Step 5: Solve for x
    x = 271,590,529.72/18,833.36
  6. Step 6: Final answer
    x = 14,420.72

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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.