Home / 13,403.70-18,496.67-8,097.59

Finding the Fourth Proportional to 13,403.70, 18,496.67 and 8,097.59

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Solution

The fourth proportional to 13,403.70, 18,496.67 and 8,097.59 is: 11,174.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.70 : 18,496.67 = 8,097.59 : x
  2. Step 2: Convert to fraction form
    13,403.70/18,496.67 = 8,097.59/x
  3. Step 3: Cross multiply
    13,403.70x = 18,496.67 × 8,097.59
  4. Step 4: Simplify right side
    13,403.70x = 149,778,409.54
  5. Step 5: Solve for x
    x = 149,778,409.54/13,403.70
  6. Step 6: Final answer
    x = 11,174.41

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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.