Home / 39,507.96-59,249.59-13,206.56

Finding the Fourth Proportional to 39,507.96, 59,249.59 and 13,206.56

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Solution

The fourth proportional to 39,507.96, 59,249.59 and 13,206.56 is: 19,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,507.96 : 59,249.59 = 13,206.56 : x
  2. Step 2: Convert to fraction form
    39,507.96/59,249.59 = 13,206.56/x
  3. Step 3: Cross multiply
    39,507.96x = 59,249.59 × 13,206.56
  4. Step 4: Simplify right side
    39,507.96x = 782,482,936.05
  5. Step 5: Solve for x
    x = 782,482,936.05/39,507.96
  6. Step 6: Final answer
    x = 19,805.70

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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.