Home / 36,986.80-55,487.40-15,926.80

Finding the Fourth Proportional to 36,986.80, 55,487.40 and 15,926.80

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Solution

The fourth proportional to 36,986.80, 55,487.40 and 15,926.80 is: 23,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,986.80 : 55,487.40 = 15,926.80 : x
  2. Step 2: Convert to fraction form
    36,986.80/55,487.40 = 15,926.80/x
  3. Step 3: Cross multiply
    36,986.80x = 55,487.40 × 15,926.80
  4. Step 4: Simplify right side
    36,986.80x = 883,736,722.32
  5. Step 5: Solve for x
    x = 883,736,722.32/36,986.80
  6. Step 6: Final answer
    x = 23,893.30

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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.