Home / 19,106.10-28,659.15-17,793.90

Finding the Fourth Proportional to 19,106.10, 28,659.15 and 17,793.90

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Solution

The fourth proportional to 19,106.10, 28,659.15 and 17,793.90 is: 26,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,106.10 : 28,659.15 = 17,793.90 : x
  2. Step 2: Convert to fraction form
    19,106.10/28,659.15 = 17,793.90/x
  3. Step 3: Cross multiply
    19,106.10x = 28,659.15 × 17,793.90
  4. Step 4: Simplify right side
    19,106.10x = 509,958,049.19
  5. Step 5: Solve for x
    x = 509,958,049.19/19,106.10
  6. Step 6: Final answer
    x = 26,690.85

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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.