Home / 19,136.06-28,717.33-7,449.34

Finding the Fourth Proportional to 19,136.06, 28,717.33 and 7,449.34

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Solution

The fourth proportional to 19,136.06, 28,717.33 and 7,449.34 is: 11,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.06 : 28,717.33 = 7,449.34 : x
  2. Step 2: Convert to fraction form
    19,136.06/28,717.33 = 7,449.34/x
  3. Step 3: Cross multiply
    19,136.06x = 28,717.33 × 7,449.34
  4. Step 4: Simplify right side
    19,136.06x = 213,925,155.06
  5. Step 5: Solve for x
    x = 213,925,155.06/19,136.06
  6. Step 6: Final answer
    x = 11,179.16

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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.