Home / 36,142.40-54,213.24-9,846.80

Finding the Fourth Proportional to 36,142.40, 54,213.24 and 9,846.80

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Solution

The fourth proportional to 36,142.40, 54,213.24 and 9,846.80 is: 14,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,142.40 : 54,213.24 = 9,846.80 : x
  2. Step 2: Convert to fraction form
    36,142.40/54,213.24 = 9,846.80/x
  3. Step 3: Cross multiply
    36,142.40x = 54,213.24 × 9,846.80
  4. Step 4: Simplify right side
    36,142.40x = 533,826,931.63
  5. Step 5: Solve for x
    x = 533,826,931.63/36,142.40
  6. Step 6: Final answer
    x = 14,770.10

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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.