Home / 17,765.09-24,506.12-12,379.00

Finding the Fourth Proportional to 17,765.09, 24,506.12 and 12,379.00

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Solution

The fourth proportional to 17,765.09, 24,506.12 and 12,379.00 is: 17,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765.09 : 24,506.12 = 12,379.00 : x
  2. Step 2: Convert to fraction form
    17,765.09/24,506.12 = 12,379.00/x
  3. Step 3: Cross multiply
    17,765.09x = 24,506.12 × 12,379.00
  4. Step 4: Simplify right side
    17,765.09x = 303,361,167.90
  5. Step 5: Solve for x
    x = 303,361,167.90/17,765.09
  6. Step 6: Final answer
    x = 17,076.25

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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.