Home / 39,186.24-58,779.36-12,883.92

Finding the Fourth Proportional to 39,186.24, 58,779.36 and 12,883.92

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Solution

The fourth proportional to 39,186.24, 58,779.36 and 12,883.92 is: 19,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,186.24 : 58,779.36 = 12,883.92 : x
  2. Step 2: Convert to fraction form
    39,186.24/58,779.36 = 12,883.92/x
  3. Step 3: Cross multiply
    39,186.24x = 58,779.36 × 12,883.92
  4. Step 4: Simplify right side
    39,186.24x = 757,308,571.89
  5. Step 5: Solve for x
    x = 757,308,571.89/39,186.24
  6. Step 6: Final answer
    x = 19,325.88

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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.