Home / 14,955.72-20,638.89-8,241.33

Finding the Fourth Proportional to 14,955.72, 20,638.89 and 8,241.33

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Solution

The fourth proportional to 14,955.72, 20,638.89 and 8,241.33 is: 11,373.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.72 : 20,638.89 = 8,241.33 : x
  2. Step 2: Convert to fraction form
    14,955.72/20,638.89 = 8,241.33/x
  3. Step 3: Cross multiply
    14,955.72x = 20,638.89 × 8,241.33
  4. Step 4: Simplify right side
    14,955.72x = 170,091,903.32
  5. Step 5: Solve for x
    x = 170,091,903.32/14,955.72
  6. Step 6: Final answer
    x = 11,373.03

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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.