Home / 18,829.16-25,983.37-10,331.09

Finding the Fourth Proportional to 18,829.16, 25,983.37 and 10,331.09

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Solution

The fourth proportional to 18,829.16, 25,983.37 and 10,331.09 is: 14,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.16 : 25,983.37 = 10,331.09 : x
  2. Step 2: Convert to fraction form
    18,829.16/25,983.37 = 10,331.09/x
  3. Step 3: Cross multiply
    18,829.16x = 25,983.37 × 10,331.09
  4. Step 4: Simplify right side
    18,829.16x = 268,436,482.32
  5. Step 5: Solve for x
    x = 268,436,482.32/18,829.16
  6. Step 6: Final answer
    x = 14,256.42

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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.