Home / 19,011.12-28,517.12-6,531.04

Finding the Fourth Proportional to 19,011.12, 28,517.12 and 6,531.04

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Solution

The fourth proportional to 19,011.12, 28,517.12 and 6,531.04 is: 9,796.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.12 : 28,517.12 = 6,531.04 : x
  2. Step 2: Convert to fraction form
    19,011.12/28,517.12 = 6,531.04/x
  3. Step 3: Cross multiply
    19,011.12x = 28,517.12 × 6,531.04
  4. Step 4: Simplify right side
    19,011.12x = 186,246,451.40
  5. Step 5: Solve for x
    x = 186,246,451.40/19,011.12
  6. Step 6: Final answer
    x = 9,796.71

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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.