Home / 17,805.21-24,591.36-12,130.11

Finding the Fourth Proportional to 17,805.21, 24,591.36 and 12,130.11

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Solution

The fourth proportional to 17,805.21, 24,591.36 and 12,130.11 is: 16,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,805.21 : 24,591.36 = 12,130.11 : x
  2. Step 2: Convert to fraction form
    17,805.21/24,591.36 = 12,130.11/x
  3. Step 3: Cross multiply
    17,805.21x = 24,591.36 × 12,130.11
  4. Step 4: Simplify right side
    17,805.21x = 298,295,901.85
  5. Step 5: Solve for x
    x = 298,295,901.85/17,805.21
  6. Step 6: Final answer
    x = 16,753.29

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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.