Home / 19,071.14-28,614.87-9,217.76

Finding the Fourth Proportional to 19,071.14, 28,614.87 and 9,217.76

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Solution

The fourth proportional to 19,071.14, 28,614.87 and 9,217.76 is: 13,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.14 : 28,614.87 = 9,217.76 : x
  2. Step 2: Convert to fraction form
    19,071.14/28,614.87 = 9,217.76/x
  3. Step 3: Cross multiply
    19,071.14x = 28,614.87 × 9,217.76
  4. Step 4: Simplify right side
    19,071.14x = 263,764,861.02
  5. Step 5: Solve for x
    x = 263,764,861.02/19,071.14
  6. Step 6: Final answer
    x = 13,830.58

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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.