Home / 18,829.48-25,983.80-10,331.41

Finding the Fourth Proportional to 18,829.48, 25,983.80 and 10,331.41

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Solution

The fourth proportional to 18,829.48, 25,983.80 and 10,331.41 is: 14,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.48 : 25,983.80 = 10,331.41 : x
  2. Step 2: Convert to fraction form
    18,829.48/25,983.80 = 10,331.41/x
  3. Step 3: Cross multiply
    18,829.48x = 25,983.80 × 10,331.41
  4. Step 4: Simplify right side
    18,829.48x = 268,449,109.58
  5. Step 5: Solve for x
    x = 268,449,109.58/18,829.48
  6. Step 6: Final answer
    x = 14,256.86

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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.