Home / 13,601.72-18,771.75-7,633.04

Finding the Fourth Proportional to 13,601.72, 18,771.75 and 7,633.04

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Solution

The fourth proportional to 13,601.72, 18,771.75 and 7,633.04 is: 10,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.72 : 18,771.75 = 7,633.04 : x
  2. Step 2: Convert to fraction form
    13,601.72/18,771.75 = 7,633.04/x
  3. Step 3: Cross multiply
    13,601.72x = 18,771.75 × 7,633.04
  4. Step 4: Simplify right side
    13,601.72x = 143,285,424.76
  5. Step 5: Solve for x
    x = 143,285,424.76/13,601.72
  6. Step 6: Final answer
    x = 10,534.36

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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.