Home / 13,935.48-19,149.15-11,136.12

Finding the Fourth Proportional to 13,935.48, 19,149.15 and 11,136.12

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Solution

The fourth proportional to 13,935.48, 19,149.15 and 11,136.12 is: 15,302.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.48 : 19,149.15 = 11,136.12 : x
  2. Step 2: Convert to fraction form
    13,935.48/19,149.15 = 11,136.12/x
  3. Step 3: Cross multiply
    13,935.48x = 19,149.15 × 11,136.12
  4. Step 4: Simplify right side
    13,935.48x = 213,247,232.30
  5. Step 5: Solve for x
    x = 213,247,232.30/13,935.48
  6. Step 6: Final answer
    x = 15,302.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.