Home / 22,511.44-31,066.43-12,440.54

Finding the Fourth Proportional to 22,511.44, 31,066.43 and 12,440.54

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Solution

The fourth proportional to 22,511.44, 31,066.43 and 12,440.54 is: 17,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,511.44 : 31,066.43 = 12,440.54 : x
  2. Step 2: Convert to fraction form
    22,511.44/31,066.43 = 12,440.54/x
  3. Step 3: Cross multiply
    22,511.44x = 31,066.43 × 12,440.54
  4. Step 4: Simplify right side
    22,511.44x = 386,483,165.07
  5. Step 5: Solve for x
    x = 386,483,165.07/22,511.44
  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.