Home / 35,380.26-53,065.44-13,190.76

Finding the Fourth Proportional to 35,380.26, 53,065.44 and 13,190.76

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Solution

The fourth proportional to 35,380.26, 53,065.44 and 13,190.76 is: 19,784.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,380.26 : 53,065.44 = 13,190.76 : x
  2. Step 2: Convert to fraction form
    35,380.26/53,065.44 = 13,190.76/x
  3. Step 3: Cross multiply
    35,380.26x = 53,065.44 × 13,190.76
  4. Step 4: Simplify right side
    35,380.26x = 699,973,483.33
  5. Step 5: Solve for x
    x = 699,973,483.33/35,380.26
  6. Step 6: Final answer
    x = 19,784.29

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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.