Home / 20,626.53-28,464.66-11,195.10

Finding the Fourth Proportional to 20,626.53, 28,464.66 and 11,195.10

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Solution

The fourth proportional to 20,626.53, 28,464.66 and 11,195.10 is: 15,449.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.53 : 28,464.66 = 11,195.10 : x
  2. Step 2: Convert to fraction form
    20,626.53/28,464.66 = 11,195.10/x
  3. Step 3: Cross multiply
    20,626.53x = 28,464.66 × 11,195.10
  4. Step 4: Simplify right side
    20,626.53x = 318,664,715.17
  5. Step 5: Solve for x
    x = 318,664,715.17/20,626.53
  6. Step 6: Final answer
    x = 15,449.26

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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.