Home / 22,707.03-31,335.60-12,636.43

Finding the Fourth Proportional to 22,707.03, 31,335.60 and 12,636.43

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Solution

The fourth proportional to 22,707.03, 31,335.60 and 12,636.43 is: 17,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,707.03 : 31,335.60 = 12,636.43 : x
  2. Step 2: Convert to fraction form
    22,707.03/31,335.60 = 12,636.43/x
  3. Step 3: Cross multiply
    22,707.03x = 31,335.60 × 12,636.43
  4. Step 4: Simplify right side
    22,707.03x = 395,970,115.91
  5. Step 5: Solve for x
    x = 395,970,115.91/22,707.03
  6. Step 6: Final answer
    x = 17,438.22

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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.