Home / 13,349.61-20,003.63-11,955.33

Finding the Fourth Proportional to 13,349.61, 20,003.63 and 11,955.33

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Solution

The fourth proportional to 13,349.61, 20,003.63 and 11,955.33 is: 17,914.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.61 : 20,003.63 = 11,955.33 : x
  2. Step 2: Convert to fraction form
    13,349.61/20,003.63 = 11,955.33/x
  3. Step 3: Cross multiply
    13,349.61x = 20,003.63 × 11,955.33
  4. Step 4: Simplify right side
    13,349.61x = 239,149,938.07
  5. Step 5: Solve for x
    x = 239,149,938.07/13,349.61
  6. Step 6: Final answer
    x = 17,914.38

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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.