Home / 18,833.28-25,990.08-10,449.92

Finding the Fourth Proportional to 18,833.28, 25,990.08 and 10,449.92

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Solution

The fourth proportional to 18,833.28, 25,990.08 and 10,449.92 is: 14,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.28 : 25,990.08 = 10,449.92 : x
  2. Step 2: Convert to fraction form
    18,833.28/25,990.08 = 10,449.92/x
  3. Step 3: Cross multiply
    18,833.28x = 25,990.08 × 10,449.92
  4. Step 4: Simplify right side
    18,833.28x = 271,594,256.79
  5. Step 5: Solve for x
    x = 271,594,256.79/18,833.28
  6. Step 6: Final answer
    x = 14,420.97

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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.