Home / 19,136.28-26,411.10-11,183.16

Finding the Fourth Proportional to 19,136.28, 26,411.10 and 11,183.16

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Solution

The fourth proportional to 19,136.28, 26,411.10 and 11,183.16 is: 15,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.28 : 26,411.10 = 11,183.16 : x
  2. Step 2: Convert to fraction form
    19,136.28/26,411.10 = 11,183.16/x
  3. Step 3: Cross multiply
    19,136.28x = 26,411.10 × 11,183.16
  4. Step 4: Simplify right side
    19,136.28x = 295,359,557.08
  5. Step 5: Solve for x
    x = 295,359,557.08/19,136.28
  6. Step 6: Final answer
    x = 15,434.53

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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.