Home / 18,223.30-25,136.49-11,497.06

Finding the Fourth Proportional to 18,223.30, 25,136.49 and 11,497.06

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Solution

The fourth proportional to 18,223.30, 25,136.49 and 11,497.06 is: 15,858.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.30 : 25,136.49 = 11,497.06 : x
  2. Step 2: Convert to fraction form
    18,223.30/25,136.49 = 11,497.06/x
  3. Step 3: Cross multiply
    18,223.30x = 25,136.49 × 11,497.06
  4. Step 4: Simplify right side
    18,223.30x = 288,995,733.72
  5. Step 5: Solve for x
    x = 288,995,733.72/18,223.30
  6. Step 6: Final answer
    x = 15,858.58

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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.