Home / 22,512.03-31,066.47-12,440.85

Finding the Fourth Proportional to 22,512.03, 31,066.47 and 12,440.85

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Solution

The fourth proportional to 22,512.03, 31,066.47 and 12,440.85 is: 17,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,512.03 : 31,066.47 = 12,440.85 : x
  2. Step 2: Convert to fraction form
    22,512.03/31,066.47 = 12,440.85/x
  3. Step 3: Cross multiply
    22,512.03x = 31,066.47 × 12,440.85
  4. Step 4: Simplify right side
    22,512.03x = 386,493,293.30
  5. Step 5: Solve for x
    x = 386,493,293.30/22,512.03
  6. Step 6: Final answer
    x = 17,168.30

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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.