Home / 20,626.17-28,463.99-11,194.53

Finding the Fourth Proportional to 20,626.17, 28,463.99 and 11,194.53

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Solution

The fourth proportional to 20,626.17, 28,463.99 and 11,194.53 is: 15,448.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.17 : 28,463.99 = 11,194.53 : x
  2. Step 2: Convert to fraction form
    20,626.17/28,463.99 = 11,194.53/x
  3. Step 3: Cross multiply
    20,626.17x = 28,463.99 × 11,194.53
  4. Step 4: Simplify right side
    20,626.17x = 318,640,934.00
  5. Step 5: Solve for x
    x = 318,640,934.00/20,626.17
  6. Step 6: Final answer
    x = 15,448.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.