Home / 22,448.23-30,977.61-12,239.04

Finding the Fourth Proportional to 22,448.23, 30,977.61 and 12,239.04

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Solution

The fourth proportional to 22,448.23, 30,977.61 and 12,239.04 is: 16,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,448.23 : 30,977.61 = 12,239.04 : x
  2. Step 2: Convert to fraction form
    22,448.23/30,977.61 = 12,239.04/x
  3. Step 3: Cross multiply
    22,448.23x = 30,977.61 × 12,239.04
  4. Step 4: Simplify right side
    22,448.23x = 379,136,207.89
  5. Step 5: Solve for x
    x = 379,136,207.89/22,448.23
  6. Step 6: Final answer
    x = 16,889.36

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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.