Home / 19,022.53-28,528.22-7,167.75

Finding the Fourth Proportional to 19,022.53, 28,528.22 and 7,167.75

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Solution

The fourth proportional to 19,022.53, 28,528.22 and 7,167.75 is: 10,749.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.53 : 28,528.22 = 7,167.75 : x
  2. Step 2: Convert to fraction form
    19,022.53/28,528.22 = 7,167.75/x
  3. Step 3: Cross multiply
    19,022.53x = 28,528.22 × 7,167.75
  4. Step 4: Simplify right side
    19,022.53x = 204,483,148.91
  5. Step 5: Solve for x
    x = 204,483,148.91/19,022.53
  6. Step 6: Final answer
    x = 10,749.52

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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.