Home / 36,276.34-54,381.72-12,897.34

Finding the Fourth Proportional to 36,276.34, 54,381.72 and 12,897.34

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Solution

The fourth proportional to 36,276.34, 54,381.72 and 12,897.34 is: 19,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,276.34 : 54,381.72 = 12,897.34 : x
  2. Step 2: Convert to fraction form
    36,276.34/54,381.72 = 12,897.34/x
  3. Step 3: Cross multiply
    36,276.34x = 54,381.72 × 12,897.34
  4. Step 4: Simplify right side
    36,276.34x = 701,379,532.62
  5. Step 5: Solve for x
    x = 701,379,532.62/36,276.34
  6. Step 6: Final answer
    x = 19,334.35

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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.