Home / 19,012.25-28,502.99-11,614.21

Finding the Fourth Proportional to 19,012.25, 28,502.99 and 11,614.21

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Solution

The fourth proportional to 19,012.25, 28,502.99 and 11,614.21 is: 17,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.25 : 28,502.99 = 11,614.21 : x
  2. Step 2: Convert to fraction form
    19,012.25/28,502.99 = 11,614.21/x
  3. Step 3: Cross multiply
    19,012.25x = 28,502.99 × 11,614.21
  4. Step 4: Simplify right side
    19,012.25x = 331,039,625.71
  5. Step 5: Solve for x
    x = 331,039,625.71/19,012.25
  6. Step 6: Final answer
    x = 17,411.92

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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.