Home / 12,693.20-19,044.12-11,466.32

Finding the Fourth Proportional to 12,693.20, 19,044.12 and 11,466.32

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Solution

The fourth proportional to 12,693.20, 19,044.12 and 11,466.32 is: 17,203.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693.20 : 19,044.12 = 11,466.32 : x
  2. Step 2: Convert to fraction form
    12,693.20/19,044.12 = 11,466.32/x
  3. Step 3: Cross multiply
    12,693.20x = 19,044.12 × 11,466.32
  4. Step 4: Simplify right side
    12,693.20x = 218,365,974.04
  5. Step 5: Solve for x
    x = 218,365,974.04/12,693.20
  6. Step 6: Final answer
    x = 17,203.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.