Home / 18,823.22-25,976.06-10,439.72

Finding the Fourth Proportional to 18,823.22, 25,976.06 and 10,439.72

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Solution

The fourth proportional to 18,823.22, 25,976.06 and 10,439.72 is: 14,406.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.22 : 25,976.06 = 10,439.72 : x
  2. Step 2: Convert to fraction form
    18,823.22/25,976.06 = 10,439.72/x
  3. Step 3: Cross multiply
    18,823.22x = 25,976.06 × 10,439.72
  4. Step 4: Simplify right side
    18,823.22x = 271,182,747.58
  5. Step 5: Solve for x
    x = 271,182,747.58/18,823.22
  6. Step 6: Final answer
    x = 14,406.82

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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.