Home / 19,247.40-28,818.99-9,993.96

Finding the Fourth Proportional to 19,247.40, 28,818.99 and 9,993.96

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Solution

The fourth proportional to 19,247.40, 28,818.99 and 9,993.96 is: 14,963.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.40 : 28,818.99 = 9,993.96 : x
  2. Step 2: Convert to fraction form
    19,247.40/28,818.99 = 9,993.96/x
  3. Step 3: Cross multiply
    19,247.40x = 28,818.99 × 9,993.96
  4. Step 4: Simplify right side
    19,247.40x = 288,015,833.30
  5. Step 5: Solve for x
    x = 288,015,833.30/19,247.40
  6. Step 6: Final answer
    x = 14,963.88

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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.