Home / 23,137.03-31,929.42-13,584.09

Finding the Fourth Proportional to 23,137.03, 31,929.42 and 13,584.09

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Solution

The fourth proportional to 23,137.03, 31,929.42 and 13,584.09 is: 18,746.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,137.03 : 31,929.42 = 13,584.09 : x
  2. Step 2: Convert to fraction form
    23,137.03/31,929.42 = 13,584.09/x
  3. Step 3: Cross multiply
    23,137.03x = 31,929.42 × 13,584.09
  4. Step 4: Simplify right side
    23,137.03x = 433,732,114.93
  5. Step 5: Solve for x
    x = 433,732,114.93/23,137.03
  6. Step 6: Final answer
    x = 18,746.23

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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.