Home / 55,352.36-83,027.82-13,799.72

Finding the Fourth Proportional to 55,352.36, 83,027.82 and 13,799.72

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Solution

The fourth proportional to 55,352.36, 83,027.82 and 13,799.72 is: 20,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,352.36 : 83,027.82 = 13,799.72 : x
  2. Step 2: Convert to fraction form
    55,352.36/83,027.82 = 13,799.72/x
  3. Step 3: Cross multiply
    55,352.36x = 83,027.82 × 13,799.72
  4. Step 4: Simplify right side
    55,352.36x = 1,145,760,668.21
  5. Step 5: Solve for x
    x = 1,145,760,668.21/55,352.36
  6. Step 6: Final answer
    x = 20,699.40

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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.