Home / 19,125.94-28,695.12-9,770.98

Finding the Fourth Proportional to 19,125.94, 28,695.12 and 9,770.98

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Solution

The fourth proportional to 19,125.94, 28,695.12 and 9,770.98 is: 14,659.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.94 : 28,695.12 = 9,770.98 : x
  2. Step 2: Convert to fraction form
    19,125.94/28,695.12 = 9,770.98/x
  3. Step 3: Cross multiply
    19,125.94x = 28,695.12 × 9,770.98
  4. Step 4: Simplify right side
    19,125.94x = 280,379,443.62
  5. Step 5: Solve for x
    x = 280,379,443.62/19,125.94
  6. Step 6: Final answer
    x = 14,659.64

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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.