Home / 18,282.72-25,223.04-11,206.56

Finding the Fourth Proportional to 18,282.72, 25,223.04 and 11,206.56

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Solution

The fourth proportional to 18,282.72, 25,223.04 and 11,206.56 is: 15,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.72 : 25,223.04 = 11,206.56 : x
  2. Step 2: Convert to fraction form
    18,282.72/25,223.04 = 11,206.56/x
  3. Step 3: Cross multiply
    18,282.72x = 25,223.04 × 11,206.56
  4. Step 4: Simplify right side
    18,282.72x = 282,663,511.14
  5. Step 5: Solve for x
    x = 282,663,511.14/18,282.72
  6. Step 6: Final answer
    x = 15,460.69

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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.