Home / 13,887.72-19,166.22-7,600.50

Finding the Fourth Proportional to 13,887.72, 19,166.22 and 7,600.50

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Solution

The fourth proportional to 13,887.72, 19,166.22 and 7,600.50 is: 10,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.72 : 19,166.22 = 7,600.50 : x
  2. Step 2: Convert to fraction form
    13,887.72/19,166.22 = 7,600.50/x
  3. Step 3: Cross multiply
    13,887.72x = 19,166.22 × 7,600.50
  4. Step 4: Simplify right side
    13,887.72x = 145,672,855.11
  5. Step 5: Solve for x
    x = 145,672,855.11/13,887.72
  6. Step 6: Final answer
    x = 10,489.33

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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.