Home / 53,253.18-79,879.76-18,193.14

Finding the Fourth Proportional to 53,253.18, 79,879.76 and 18,193.14

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Solution

The fourth proportional to 53,253.18, 79,879.76 and 18,193.14 is: 27,289.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,253.18 : 79,879.76 = 18,193.14 : x
  2. Step 2: Convert to fraction form
    53,253.18/79,879.76 = 18,193.14/x
  3. Step 3: Cross multiply
    53,253.18x = 79,879.76 × 18,193.14
  4. Step 4: Simplify right side
    53,253.18x = 1,453,263,656.85
  5. Step 5: Solve for x
    x = 1,453,263,656.85/53,253.18
  6. Step 6: Final answer
    x = 27,289.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.