Home / 13,887.96-19,165.35-7,600.35

Finding the Fourth Proportional to 13,887.96, 19,165.35 and 7,600.35

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Solution

The fourth proportional to 13,887.96, 19,165.35 and 7,600.35 is: 10,488.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.96 : 19,165.35 = 7,600.35 : x
  2. Step 2: Convert to fraction form
    13,887.96/19,165.35 = 7,600.35/x
  3. Step 3: Cross multiply
    13,887.96x = 19,165.35 × 7,600.35
  4. Step 4: Simplify right side
    13,887.96x = 145,663,367.87
  5. Step 5: Solve for x
    x = 145,663,367.87/13,887.96
  6. Step 6: Final answer
    x = 10,488.46

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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.