Home / 18,829.26-25,983.89-10,331.35

Finding the Fourth Proportional to 18,829.26, 25,983.89 and 10,331.35

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Solution

The fourth proportional to 18,829.26, 25,983.89 and 10,331.35 is: 14,256.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.26 : 25,983.89 = 10,331.35 : x
  2. Step 2: Convert to fraction form
    18,829.26/25,983.89 = 10,331.35/x
  3. Step 3: Cross multiply
    18,829.26x = 25,983.89 × 10,331.35
  4. Step 4: Simplify right side
    18,829.26x = 268,448,584.08
  5. Step 5: Solve for x
    x = 268,448,584.08/18,829.26
  6. Step 6: Final answer
    x = 14,256.99

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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.