Home / 18,825.72-25,979.83-10,328.27

Finding the Fourth Proportional to 18,825.72, 25,979.83 and 10,328.27

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Solution

The fourth proportional to 18,825.72, 25,979.83 and 10,328.27 is: 14,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.72 : 25,979.83 = 10,328.27 : x
  2. Step 2: Convert to fraction form
    18,825.72/25,979.83 = 10,328.27/x
  3. Step 3: Cross multiply
    18,825.72x = 25,979.83 × 10,328.27
  4. Step 4: Simplify right side
    18,825.72x = 268,326,698.79
  5. Step 5: Solve for x
    x = 268,326,698.79/18,825.72
  6. Step 6: Final answer
    x = 14,253.20

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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.