Home / 13,303.73-18,361.33-8,001.47

Finding the Fourth Proportional to 13,303.73, 18,361.33 and 8,001.47

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Solution

The fourth proportional to 13,303.73, 18,361.33 and 8,001.47 is: 11,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.73 : 18,361.33 = 8,001.47 : x
  2. Step 2: Convert to fraction form
    13,303.73/18,361.33 = 8,001.47/x
  3. Step 3: Cross multiply
    13,303.73x = 18,361.33 × 8,001.47
  4. Step 4: Simplify right side
    13,303.73x = 146,917,519.34
  5. Step 5: Solve for x
    x = 146,917,519.34/13,303.73
  6. Step 6: Final answer
    x = 11,043.34

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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.