Home / 22,584.72-31,172.09-15,031.37

Finding the Fourth Proportional to 22,584.72, 31,172.09 and 15,031.37

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Solution

The fourth proportional to 22,584.72, 31,172.09 and 15,031.37 is: 20,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,584.72 : 31,172.09 = 15,031.37 : x
  2. Step 2: Convert to fraction form
    22,584.72/31,172.09 = 15,031.37/x
  3. Step 3: Cross multiply
    22,584.72x = 31,172.09 × 15,031.37
  4. Step 4: Simplify right side
    22,584.72x = 468,558,987.45
  5. Step 5: Solve for x
    x = 468,558,987.45/22,584.72
  6. Step 6: Final answer
    x = 20,746.73

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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.