Home / 13,991.49-20,987.24-9,595.62

Finding the Fourth Proportional to 13,991.49, 20,987.24 and 9,595.62

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Solution

The fourth proportional to 13,991.49, 20,987.24 and 9,595.62 is: 14,393.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991.49 : 20,987.24 = 9,595.62 : x
  2. Step 2: Convert to fraction form
    13,991.49/20,987.24 = 9,595.62/x
  3. Step 3: Cross multiply
    13,991.49x = 20,987.24 × 9,595.62
  4. Step 4: Simplify right side
    13,991.49x = 201,385,579.89
  5. Step 5: Solve for x
    x = 201,385,579.89/13,991.49
  6. Step 6: Final answer
    x = 14,393.43

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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.