Home / 18,671.09-25,765.80-10,173.32

Finding the Fourth Proportional to 18,671.09, 25,765.80 and 10,173.32

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Solution

The fourth proportional to 18,671.09, 25,765.80 and 10,173.32 is: 14,039.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671.09 : 25,765.80 = 10,173.32 : x
  2. Step 2: Convert to fraction form
    18,671.09/25,765.80 = 10,173.32/x
  3. Step 3: Cross multiply
    18,671.09x = 25,765.80 × 10,173.32
  4. Step 4: Simplify right side
    18,671.09x = 262,123,658.10
  5. Step 5: Solve for x
    x = 262,123,658.10/18,671.09
  6. Step 6: Final answer
    x = 14,039.02

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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.