Home / 17,003.40-25,487.52-12,311.77

Finding the Fourth Proportional to 17,003.40, 25,487.52 and 12,311.77

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Solution

The fourth proportional to 17,003.40, 25,487.52 and 12,311.77 is: 18,454.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,003.40 : 25,487.52 = 12,311.77 : x
  2. Step 2: Convert to fraction form
    17,003.40/25,487.52 = 12,311.77/x
  3. Step 3: Cross multiply
    17,003.40x = 25,487.52 × 12,311.77
  4. Step 4: Simplify right side
    17,003.40x = 313,796,484.11
  5. Step 5: Solve for x
    x = 313,796,484.11/17,003.40
  6. Step 6: Final answer
    x = 18,454.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.