Home / 36,167.04-54,185.76-12,778.56

Finding the Fourth Proportional to 36,167.04, 54,185.76 and 12,778.56

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Solution

The fourth proportional to 36,167.04, 54,185.76 and 12,778.56 is: 19,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,167.04 : 54,185.76 = 12,778.56 : x
  2. Step 2: Convert to fraction form
    36,167.04/54,185.76 = 12,778.56/x
  3. Step 3: Cross multiply
    36,167.04x = 54,185.76 × 12,778.56
  4. Step 4: Simplify right side
    36,167.04x = 692,415,985.31
  5. Step 5: Solve for x
    x = 692,415,985.31/36,167.04
  6. Step 6: Final answer
    x = 19,144.94

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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.