Home / 35,783.62-53,675.43-13,591.75

Finding the Fourth Proportional to 35,783.62, 53,675.43 and 13,591.75

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Solution

The fourth proportional to 35,783.62, 53,675.43 and 13,591.75 is: 20,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,783.62 : 53,675.43 = 13,591.75 : x
  2. Step 2: Convert to fraction form
    35,783.62/53,675.43 = 13,591.75/x
  3. Step 3: Cross multiply
    35,783.62x = 53,675.43 × 13,591.75
  4. Step 4: Simplify right side
    35,783.62x = 729,542,891.51
  5. Step 5: Solve for x
    x = 729,542,891.51/35,783.62
  6. Step 6: Final answer
    x = 20,387.62

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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.