Home / 36,885.27-55,333.38-13,509.90

Finding the Fourth Proportional to 36,885.27, 55,333.38 and 13,509.90

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Solution

The fourth proportional to 36,885.27, 55,333.38 and 13,509.90 is: 20,266.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,885.27 : 55,333.38 = 13,509.90 : x
  2. Step 2: Convert to fraction form
    36,885.27/55,333.38 = 13,509.90/x
  3. Step 3: Cross multiply
    36,885.27x = 55,333.38 × 13,509.90
  4. Step 4: Simplify right side
    36,885.27x = 747,548,430.46
  5. Step 5: Solve for x
    x = 747,548,430.46/36,885.27
  6. Step 6: Final answer
    x = 20,266.86

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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.